{"id":867403,"date":"2026-10-01T19:24:14","date_gmt":"2026-10-01T19:24:14","guid":{"rendered":"https:\/\/www.newsbeep.com\/us\/867403\/"},"modified":"2026-10-01T19:24:14","modified_gmt":"2026-10-01T19:24:14","slug":"carbene-transfer-from-thianthrenium-ylides-for-cyclopropanation","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/us\/867403\/","title":{"rendered":"Carbene transfer from thianthrenium ylides for cyclopropanation"},"content":{"rendered":"<p class=\"c-article-references__text\" id=\"ref-CR1\">Green, S. P. et al. Thermal stability and explosive hazard assessment of diazo compounds and diazo transfer reagents. Org. Process Res. Dev. 24, 67\u201384 (2020).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1021\/acs.oprd.9b00422\" data-track-item_id=\"10.1021\/acs.oprd.9b00422\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1021%2Facs.oprd.9b00422\" aria-label=\"Article reference 1\" data-doi=\"10.1021\/acs.oprd.9b00422\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BC1MXit1OksLjP\" aria-label=\"CAS reference 1\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed reference\" data-track-action=\"pubmed reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Abstract&amp;list_uids=31983869\" aria-label=\"PubMed reference 1\" target=\"_blank\">PubMed<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 1\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Thermal%20stability%20and%20explosive%20hazard%20assessment%20of%20diazo%20compounds%20and%20diazo%20transfer%20reagents&amp;journal=Org.%20Process%20Res.%20Dev.&amp;doi=10.1021%2Facs.oprd.9b00422&amp;volume=24&amp;pages=67-84&amp;publication_year=2020&amp;author=Green%2CSP\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR2\">Charette, A. B. Explosion hazard in asymmetric cyclopropanation. Chem. Eng. News 73, 2 (1995).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DyaK2MXks1Wjtrw%3D\" aria-label=\"CAS reference 2\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 2\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Explosion%20hazard%20in%20asymmetric%20cyclopropanation&amp;journal=Chem.%20Eng.%20News&amp;volume=73&amp;publication_year=1995&amp;author=Charette%2CAB\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR3\">Corey, E. J. &amp; Chaykovsky, M. Dimethyloxosulfonium methylide ((CH3)2SOCH2) and dimethylsulfonium methylide ((CH3)2SCH2). Formation and application to organic synthesis. J. Am. Chem. Soc. 87, 1353\u20131364 (1965).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1021\/ja01084a034\" data-track-item_id=\"10.1021\/ja01084a034\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1021%2Fja01084a034\" aria-label=\"Article reference 3\" data-doi=\"10.1021\/ja01084a034\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=1965JAChS..87.1353C\" aria-label=\"ADS reference 3\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DyaF2MXntlGrtw%3D%3D\" aria-label=\"CAS reference 3\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 3\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Dimethyloxosulfonium%20methylide%20%28%28CH3%292SOCH2%29%20and%20dimethylsulfonium%20methylide%20%28%28CH3%292SCH2%29.%20Formation%20and%20application%20to%20organic%20synthesis&amp;journal=J.%20Am.%20Chem.%20Soc.&amp;doi=10.1021%2Fja01084a034&amp;volume=87&amp;pages=1353-1364&amp;publication_year=1965&amp;author=Corey%2CEJ&amp;author=Chaykovsky%2CM\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR4\">Boyle, B. T., Dow, N. W., Kelly, C. B., Bryan, M. C. &amp; MacMillan, D. W. C. Unlocking carbene reactivity by metallaphotoredox \u03b1-elimination. Nature 631, 789\u2013795 (2024).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1038\/s41586-024-07628-1\" data-track-item_id=\"10.1038\/s41586-024-07628-1\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1038%2Fs41586-024-07628-1\" aria-label=\"Article reference 4\" data-doi=\"10.1038\/s41586-024-07628-1\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2024Natur.631..789B\" aria-label=\"ADS reference 4\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BB2cXhsFCqt7nO\" aria-label=\"CAS reference 4\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed reference\" data-track-action=\"pubmed reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Abstract&amp;list_uids=38843825\" aria-label=\"PubMed reference 4\" target=\"_blank\">PubMed<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed central reference\" data-track-action=\"pubmed central reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC11481160\" aria-label=\"PubMed Central reference 4\" target=\"_blank\">PubMed Central<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 4\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Unlocking%20carbene%20reactivity%20by%20metallaphotoredox%20%CE%B1-elimination&amp;journal=Nature&amp;doi=10.1038%2Fs41586-024-07628-1&amp;volume=631&amp;pages=789-795&amp;publication_year=2024&amp;author=Boyle%2CBT&amp;author=Dow%2CNW&amp;author=Kelly%2CCB&amp;author=Bryan%2CMC&amp;author=MacMillan%2CDWC\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR5\">Berger, K. E., Martinez, R. J., Zhou, J. &amp; Uyeda, C. Catalytic asymmetric cyclopropanations with nonstabilized carbenes. J. Am. Chem. Soc. 145, 9441\u20139447 (2023).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1021\/jacs.3c01949\" data-track-item_id=\"10.1021\/jacs.3c01949\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1021%2Fjacs.3c01949\" aria-label=\"Article reference 5\" data-doi=\"10.1021\/jacs.3c01949\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2023JAChS.145.9441B\" aria-label=\"ADS reference 5\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BB3sXotl2lsLc%3D\" aria-label=\"CAS reference 5\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed reference\" data-track-action=\"pubmed reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Abstract&amp;list_uids=37086176\" aria-label=\"PubMed reference 5\" target=\"_blank\">PubMed<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed central reference\" data-track-action=\"pubmed central reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC10226076\" aria-label=\"PubMed Central reference 5\" target=\"_blank\">PubMed Central<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 5\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Catalytic%20asymmetric%20cyclopropanations%20with%20nonstabilized%20carbenes&amp;journal=J.%20Am.%20Chem.%20Soc.&amp;doi=10.1021%2Fjacs.3c01949&amp;volume=145&amp;pages=9441-9447&amp;publication_year=2023&amp;author=Berger%2CKE&amp;author=Martinez%2CRJ&amp;author=Zhou%2CJ&amp;author=Uyeda%2CC\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR6\">Nguyen, K. N. M. et al. Harnessing carbene polarity: unified catalytic access to donor, neutral, and acceptor carbenes. Science 389, 183\u2013189 (2025).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1126\/science.adw4177\" data-track-item_id=\"10.1126\/science.adw4177\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1126%2Fscience.adw4177\" aria-label=\"Article reference 6\" data-doi=\"10.1126\/science.adw4177\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2025Sci...389..183N\" aria-label=\"ADS reference 6\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BB2MXhs1KhsrfO\" aria-label=\"CAS reference 6\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed reference\" data-track-action=\"pubmed reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Abstract&amp;list_uids=40638733\" aria-label=\"PubMed reference 6\" target=\"_blank\">PubMed<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed central reference\" data-track-action=\"pubmed central reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC12854277\" aria-label=\"PubMed Central reference 6\" target=\"_blank\">PubMed Central<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 6\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Harnessing%20carbene%20polarity%3A%20unified%20catalytic%20access%20to%20donor%2C%20neutral%2C%20and%20acceptor%20carbenes&amp;journal=Science&amp;doi=10.1126%2Fscience.adw4177&amp;volume=389&amp;pages=183-189&amp;publication_year=2025&amp;author=Nguyen%2CKNM\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR7\">Morandi, B. &amp; Carreira, E. M. Iron-catalyzed cyclopropanation in 6 M KOH with in situ generation of diazomethane. Science 335, 1471\u20131474 (2012).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1126\/science.1218781\" data-track-item_id=\"10.1126\/science.1218781\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1126%2Fscience.1218781\" aria-label=\"Article reference 7\" data-doi=\"10.1126\/science.1218781\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2012Sci...335.1471M\" aria-label=\"ADS reference 7\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BC38XktFWksLY%3D\" aria-label=\"CAS reference 7\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed reference\" data-track-action=\"pubmed reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Abstract&amp;list_uids=22442479\" aria-label=\"PubMed reference 7\" target=\"_blank\">PubMed<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 7\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Iron-catalyzed%20cyclopropanation%20in%206%20M%20KOH%20with%20in%20situ%20generation%20of%20diazomethane&amp;journal=Science&amp;doi=10.1126%2Fscience.1218781&amp;volume=335&amp;pages=1471-1474&amp;publication_year=2012&amp;author=Morandi%2CB&amp;author=Carreira%2CEM\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR8\">Simmons, H. E. &amp; Smith, R. D. A new synthesis of cyclopropanes from olefins. J. Am. Chem. Soc.\u00a080, 5323\u20135324 (1958).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1021\/ja01552a080\" data-track-item_id=\"10.1021\/ja01552a080\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1021%2Fja01552a080\" aria-label=\"Article reference 8\" data-doi=\"10.1021\/ja01552a080\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=1958JAChS..80.5323S\" aria-label=\"ADS reference 8\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DyaG1MXjvFKgug%3D%3D\" aria-label=\"CAS reference 8\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 8\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=A%20new%20synthesis%20of%20cyclopropanes%20from%20olefins&amp;journal=J.%20Am.%20Chem.%20Soc.&amp;doi=10.1021%2Fja01552a080&amp;volume=80&amp;pages=5323-5324&amp;publication_year=1958&amp;author=Simmons%2CHE&amp;author=Smith%2CRD\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR9\">Blanchard, E. P. &amp; Simmons, H. E. Cyclopropane synthesis from methylene iodide, zinc-copper couple, and olefins. II. 1 Nature of the intermediate. J. Am. Chem. Soc. 86, 1337\u20131347 (1964).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1021\/ja01061a016\" data-track-item_id=\"10.1021\/ja01061a016\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1021%2Fja01061a016\" aria-label=\"Article reference 9\" data-doi=\"10.1021\/ja01061a016\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=1964JAChS..86.1337B\" aria-label=\"ADS reference 9\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DyaF2cXnsVygug%3D%3D\" aria-label=\"CAS reference 9\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 9\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Cyclopropane%20synthesis%20from%20methylene%20iodide%2C%20zinc-copper%20couple%2C%20and%20olefins.%20II.%201%20Nature%20of%20the%20intermediate&amp;journal=J.%20Am.%20Chem.%20Soc.&amp;doi=10.1021%2Fja01061a016&amp;volume=86&amp;pages=1337-1347&amp;publication_year=1964&amp;author=Blanchard%2CEP&amp;author=Simmons%2CHE\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR10\">Friedrich, E. C. &amp; Niyati-Shirkhodaee, F. Regioselectivity and solvent effects in cyclopropanation of alkadienes. J. Org. Chem. 56, 2202\u20132205 (1991).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1021\/jo00006a044\" data-track-item_id=\"10.1021\/jo00006a044\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1021%2Fjo00006a044\" aria-label=\"Article reference 10\" data-doi=\"10.1021\/jo00006a044\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DyaK3MXhsVeksLw%3D\" aria-label=\"CAS reference 10\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 10\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Regioselectivity%20and%20solvent%20effects%20in%20cyclopropanation%20of%20alkadienes&amp;journal=J.%20Org.%20Chem.&amp;doi=10.1021%2Fjo00006a044&amp;volume=56&amp;pages=2202-2205&amp;publication_year=1991&amp;author=Friedrich%2CEC&amp;author=Niyati-Shirkhodaee%2CF\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR11\">Ni, S., Spinnato, D. &amp; Cornella, J. Reductive cyclopropanation through bismuth photocatalysis. J. Am. Chem. Soc. 146, 22140\u201322144 (2024).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1021\/jacs.4c07262\" data-track-item_id=\"10.1021\/jacs.4c07262\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1021%2Fjacs.4c07262\" aria-label=\"Article reference 11\" data-doi=\"10.1021\/jacs.4c07262\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2024JAChS.14622140N\" aria-label=\"ADS reference 11\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BB2cXhslClu7jI\" aria-label=\"CAS reference 11\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed reference\" data-track-action=\"pubmed reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Abstract&amp;list_uids=39102564\" aria-label=\"PubMed reference 11\" target=\"_blank\">PubMed<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed central reference\" data-track-action=\"pubmed central reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC11328130\" aria-label=\"PubMed Central reference 11\" target=\"_blank\">PubMed Central<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 11\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Reductive%20cyclopropanation%20through%20bismuth%20photocatalysis&amp;journal=J.%20Am.%20Chem.%20Soc.&amp;doi=10.1021%2Fjacs.4c07262&amp;volume=146&amp;pages=22140-22144&amp;publication_year=2024&amp;author=Ni%2CS&amp;author=Spinnato%2CD&amp;author=Cornella%2CJ\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR12\">Lebel, H., Marcoux, J.-F., Molinaro, C. &amp; Charette, A. B. Stereoselective cyclopropanation reactions. Chem. Rev. 103, 977\u20131050 (2003).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1021\/cr010007e\" data-track-item_id=\"10.1021\/cr010007e\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1021%2Fcr010007e\" aria-label=\"Article reference 12\" data-doi=\"10.1021\/cr010007e\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BD3sXislSjt7o%3D\" aria-label=\"CAS reference 12\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed reference\" data-track-action=\"pubmed reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Abstract&amp;list_uids=12683775\" aria-label=\"PubMed reference 12\" target=\"_blank\">PubMed<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 12\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Stereoselective%20cyclopropanation%20reactions&amp;journal=Chem.%20Rev.&amp;doi=10.1021%2Fcr010007e&amp;volume=103&amp;pages=977-1050&amp;publication_year=2003&amp;author=Lebel%2CH&amp;author=Marcoux%2CJ-F&amp;author=Molinaro%2CC&amp;author=Charette%2CAB\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR13\">Schoental, R. Carcinogenic action of diazomethane and of nitroso-N-methyl urethane. Nature 188, 420\u2013421 (1960).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1038\/188420b0\" data-track-item_id=\"10.1038\/188420b0\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1038%2F188420b0\" aria-label=\"Article reference 13\" data-doi=\"10.1038\/188420b0\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=1960Natur.188..420S\" aria-label=\"ADS reference 13\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DyaF3MXjvVyktQ%3D%3D\" aria-label=\"CAS reference 13\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed reference\" data-track-action=\"pubmed reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Abstract&amp;list_uids=13748420\" aria-label=\"PubMed reference 13\" target=\"_blank\">PubMed<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 13\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Carcinogenic%20action%20of%20diazomethane%20and%20of%20nitroso-N-methyl%20urethane&amp;journal=Nature&amp;doi=10.1038%2F188420b0&amp;volume=188&amp;pages=420-421&amp;publication_year=1960&amp;author=Schoental%2CR\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR14\">Zhu, C., Das, S., Guin, A., De, C. K. &amp; List, B. Organocatalytic regio- and stereoselective cyclopropanation of olefins. Nat. Catal. 8, 487\u2013494 (2025).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1038\/s41929-025-01340-7\" data-track-item_id=\"10.1038\/s41929-025-01340-7\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1038%2Fs41929-025-01340-7\" aria-label=\"Article reference 14\" data-doi=\"10.1038\/s41929-025-01340-7\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BB2MXitFCjsr3P\" aria-label=\"CAS reference 14\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 14\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Organocatalytic%20regio-%20and%20stereoselective%20cyclopropanation%20of%20olefins&amp;journal=Nat.%20Catal.&amp;doi=10.1038%2Fs41929-025-01340-7&amp;volume=8&amp;pages=487-494&amp;publication_year=2025&amp;author=Zhu%2CC&amp;author=Das%2CS&amp;author=Guin%2CA&amp;author=De%2CCK&amp;author=List%2CB\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR15\">Doyle, M. P. Catalytic methods for metal carbene transformations. Chem. Rev. 86, 919\u2013939 (1986).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1021\/cr00075a013\" data-track-item_id=\"10.1021\/cr00075a013\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1021%2Fcr00075a013\" aria-label=\"Article reference 15\" data-doi=\"10.1021\/cr00075a013\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DyaL28XlslWnsbw%3D\" aria-label=\"CAS reference 15\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 15\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Catalytic%20methods%20for%20metal%20carbene%20transformations&amp;journal=Chem.%20Rev.&amp;doi=10.1021%2Fcr00075a013&amp;volume=86&amp;pages=919-939&amp;publication_year=1986&amp;author=Doyle%2CMP\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR16\">Doyle, M. P. &amp; Forbes, D. C. Recent advances in asymmetric catalytic metal carbene transformations. Chem. Rev. 98, 911\u2013936 (1998).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1021\/cr940066a\" data-track-item_id=\"10.1021\/cr940066a\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1021%2Fcr940066a\" aria-label=\"Article reference 16\" data-doi=\"10.1021\/cr940066a\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DyaK1cXhs1GrsbY%3D\" aria-label=\"CAS reference 16\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed reference\" data-track-action=\"pubmed reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Abstract&amp;list_uids=11848918\" aria-label=\"PubMed reference 16\" target=\"_blank\">PubMed<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 16\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Recent%20advances%20in%20asymmetric%20catalytic%20metal%20carbene%20transformations&amp;journal=Chem.%20Rev.&amp;doi=10.1021%2Fcr940066a&amp;volume=98&amp;pages=911-936&amp;publication_year=1998&amp;author=Doyle%2CMP&amp;author=Forbes%2CDC\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR17\">Davies, H. M. L. &amp; Antoulinakis, E. G. Intermolecular metal-catalyzed carbenoid cyclopropanations. Org. React. 57, 1\u2013326 (2001).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BD38XksFSmsrY%3D\" aria-label=\"CAS reference 17\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 17\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Intermolecular%20metal-catalyzed%20carbenoid%20cyclopropanations&amp;journal=Org.%20React.&amp;volume=57&amp;pages=1-326&amp;publication_year=2001&amp;author=Davies%2CHML&amp;author=Antoulinakis%2CEG\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR18\">Aggarwal, V. K., Smith, H. W., Jones, R. V. H. &amp; Fieldhouse, R. Catalytic asymmetric cyclopropanation of electron deficient alkenes mediated by chiral sulfides. Chem. Commun. 33, 1785\u20131786 (1997).<\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR19\">Zhu, S.-F. &amp; Zhou, Q.-L. Iron-catalyzed transformations of diazo compounds. Natl Sci. Rev. 1, 580\u2013603 (2014).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1093\/nsr\/nwu019\" data-track-item_id=\"10.1093\/nsr\/nwu019\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1093%2Fnsr%2Fnwu019\" aria-label=\"Article reference 19\" data-doi=\"10.1093\/nsr\/nwu019\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BC1cXotVWnsrs%3D\" aria-label=\"CAS reference 19\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 19\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Iron-catalyzed%20transformations%20of%20diazo%20compounds&amp;journal=Natl%20Sci.%20Rev.&amp;doi=10.1093%2Fnsr%2Fnwu019&amp;volume=1&amp;pages=580-603&amp;publication_year=2014&amp;author=Zhu%2CS-F&amp;author=Zhou%2CQ-L\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR20\">Talele, T. T. The \u201ccyclopropyl fragment\u201d is a versatile player that frequently appears in preclinical\/clinical drug molecules. J. Med. Chem. 59, 8712\u20138756 (2016).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1021\/acs.jmedchem.6b00472\" data-track-item_id=\"10.1021\/acs.jmedchem.6b00472\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1021%2Facs.jmedchem.6b00472\" aria-label=\"Article reference 20\" data-doi=\"10.1021\/acs.jmedchem.6b00472\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2016rcma.book.....T\" aria-label=\"ADS reference 20\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BC28XpslWguro%3D\" aria-label=\"CAS reference 20\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed reference\" data-track-action=\"pubmed reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Abstract&amp;list_uids=27299736\" aria-label=\"PubMed reference 20\" target=\"_blank\">PubMed<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 20\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=The%20%E2%80%9Ccyclopropyl%20fragment%E2%80%9D%20is%20a%20versatile%20player%20that%20frequently%20appears%20in%20preclinical%2Fclinical%20drug%20molecules&amp;journal=J.%20Med.%20Chem.&amp;doi=10.1021%2Facs.jmedchem.6b00472&amp;volume=59&amp;pages=8712-8756&amp;publication_year=2016&amp;author=Talele%2CTT\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR21\">Huang, X. et al. Application of cyclopropane with triangular stable structure in pesticides. J. Mol. Struct. 1326, 141171 (2025).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1016\/j.molstruc.2024.141171\" data-track-item_id=\"10.1016\/j.molstruc.2024.141171\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1016%2Fj.molstruc.2024.141171\" aria-label=\"Article reference 21\" data-doi=\"10.1016\/j.molstruc.2024.141171\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BB2MXmvVCiuw%3D%3D\" aria-label=\"CAS reference 21\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 21\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Application%20of%20cyclopropane%20with%20triangular%20stable%20structure%20in%20pesticides&amp;journal=J.%20Mol.%20Struct.&amp;doi=10.1016%2Fj.molstruc.2024.141171&amp;volume=1326&amp;publication_year=2025&amp;author=Huang%2CX\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR22\">Beyer, H., Walter, W. &amp; Francke, W. Lehrbuch der Organischen Chemie 23rd edn, 413 (Hirzel S., 1998).<\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR23\">Rackl, D., Yoo, C.-J., Jones, C. W. &amp; Davies, H. M. L. Synthesis of donor\/acceptor-substituted diazo compounds in flow and their application in enantioselective dirhodium-catalyzed cyclopropanation and C\u2013H functionalization. Org. Lett. 19, 3055\u20133058 (2017).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1021\/acs.orglett.7b01073\" data-track-item_id=\"10.1021\/acs.orglett.7b01073\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1021%2Facs.orglett.7b01073\" aria-label=\"Article reference 23\" data-doi=\"10.1021\/acs.orglett.7b01073\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BC2sXptFGiu7Y%3D\" aria-label=\"CAS reference 23\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed reference\" data-track-action=\"pubmed reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Abstract&amp;list_uids=28581296\" aria-label=\"PubMed reference 23\" target=\"_blank\">PubMed<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 23\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Synthesis%20of%20donor%2Facceptor-substituted%20diazo%20compounds%20in%20flow%20and%20their%20application%20in%20enantioselective%20dirhodium-catalyzed%20cyclopropanation%20and%20C%E2%80%93H%20functionalization&amp;journal=Org.%20Lett.&amp;doi=10.1021%2Facs.orglett.7b01073&amp;volume=19&amp;pages=3055-3058&amp;publication_year=2017&amp;author=Rackl%2CD&amp;author=Yoo%2CC-J&amp;author=Jones%2CCW&amp;author=Davies%2CHML\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR24\">Coelho, P. S., Brustad, E. M., Kannan, A. &amp; Arnold, F. H. Olefin cyclopropanation via carbene transfer catalyzed by engineered cytochrome P450 enzymes. Science 339, 307\u2013310 (2013).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1126\/science.1231434\" data-track-item_id=\"10.1126\/science.1231434\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1126%2Fscience.1231434\" aria-label=\"Article reference 24\" data-doi=\"10.1126\/science.1231434\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2013Sci...339..307C\" aria-label=\"ADS reference 24\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BC3sXntlSrsA%3D%3D\" aria-label=\"CAS reference 24\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed reference\" data-track-action=\"pubmed reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Abstract&amp;list_uids=23258409\" aria-label=\"PubMed reference 24\" target=\"_blank\">PubMed<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 24\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Olefin%20cyclopropanation%20via%20carbene%20transfer%20catalyzed%20by%20engineered%20cytochrome%20P450%20enzymes&amp;journal=Science&amp;doi=10.1126%2Fscience.1231434&amp;volume=339&amp;pages=307-310&amp;publication_year=2013&amp;author=Coelho%2CPS&amp;author=Brustad%2CEM&amp;author=Kannan%2CA&amp;author=Arnold%2CFH\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR25\">Kennemur, J. L., Long, Y., Ko, C. J., Das, A. &amp; Arnold, F. H. Enzymatic stereodivergent synthesis of azaspiro[2.y]alkanes. J. Am. Chem. Soc. 147, 27165\u201327171 (2025).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1021\/jacs.5c07015\" data-track-item_id=\"10.1021\/jacs.5c07015\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1021%2Fjacs.5c07015\" aria-label=\"Article reference 25\" data-doi=\"10.1021\/jacs.5c07015\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2025JAChS.14727165K\" aria-label=\"ADS reference 25\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BB2MXhslGgsbjO\" aria-label=\"CAS reference 25\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed reference\" data-track-action=\"pubmed reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Abstract&amp;list_uids=40694486\" aria-label=\"PubMed reference 25\" target=\"_blank\">PubMed<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed central reference\" data-track-action=\"pubmed central reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC12951711\" aria-label=\"PubMed Central reference 25\" target=\"_blank\">PubMed Central<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 25\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Enzymatic%20stereodivergent%20synthesis%20of%20azaspiro%5B2.y%5Dalkanes&amp;journal=J.%20Am.%20Chem.%20Soc.&amp;doi=10.1021%2Fjacs.5c07015&amp;volume=147&amp;pages=27165-27171&amp;publication_year=2025&amp;author=Kennemur%2CJL&amp;author=Long%2CY&amp;author=Ko%2CCJ&amp;author=Das%2CA&amp;author=Arnold%2CFH\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR26\">Xu, J. et al. Enantioselective synthesis of spirocyclic nitrogen-containing heterocycles catalyzed by an iridium-containing cytochrome. J. Am. Chem. Soc. 147, 28875\u201328881 (2025).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1021\/jacs.5c06239\" data-track-item_id=\"10.1021\/jacs.5c06239\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1021%2Fjacs.5c06239\" aria-label=\"Article reference 26\" data-doi=\"10.1021\/jacs.5c06239\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2025JAChS.14728875X\" aria-label=\"ADS reference 26\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BB2MXitVWntbjM\" aria-label=\"CAS reference 26\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed reference\" data-track-action=\"pubmed reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Abstract&amp;list_uids=40749167\" aria-label=\"PubMed reference 26\" target=\"_blank\">PubMed<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed central reference\" data-track-action=\"pubmed central reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC12356651\" aria-label=\"PubMed Central reference 26\" target=\"_blank\">PubMed Central<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 26\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Enantioselective%20synthesis%20of%20spirocyclic%20nitrogen-containing%20heterocycles%20catalyzed%20by%20an%20iridium-containing%20cytochrome&amp;journal=J.%20Am.%20Chem.%20Soc.&amp;doi=10.1021%2Fjacs.5c06239&amp;volume=147&amp;pages=28875-28881&amp;publication_year=2025&amp;author=Xu%2CJ\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR27\">Liu, M., Le, N. &amp; Uyeda, C. Nucleophilic carbenes derived from dichloromethane. Angew. Chem. Int. Ed. 62, e202308913 (2023).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1002\/anie.202308913\" data-track-item_id=\"10.1002\/anie.202308913\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1002%2Fanie.202308913\" aria-label=\"Article reference 27\" data-doi=\"10.1002\/anie.202308913\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BB3sXhvFWmt7bK\" aria-label=\"CAS reference 27\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 27\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Nucleophilic%20carbenes%20derived%20from%20dichloromethane&amp;journal=Angew.%20Chem.%20Int.%20Ed.&amp;doi=10.1002%2Fanie.202308913&amp;volume=62&amp;publication_year=2023&amp;author=Liu%2CM&amp;author=Le%2CN&amp;author=Uyeda%2CC\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR28\">Poudel, D. P., Pokhrel, A., Tak, R. K., Shankar, M. &amp; Giri, R. Photosensitized O2 enables intermolecular alkene cyclopropanation by active methylene compounds. Science 381, 545\u2013553 (2023).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1126\/science.adg3209\" data-track-item_id=\"10.1126\/science.adg3209\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1126%2Fscience.adg3209\" aria-label=\"Article reference 28\" data-doi=\"10.1126\/science.adg3209\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2023Sci...381..545P\" aria-label=\"ADS reference 28\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BB3sXhs1Gmu7%2FN\" aria-label=\"CAS reference 28\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed reference\" data-track-action=\"pubmed reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Abstract&amp;list_uids=37535731\" aria-label=\"PubMed reference 28\" target=\"_blank\">PubMed<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed central reference\" data-track-action=\"pubmed central reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC11216814\" aria-label=\"PubMed Central reference 28\" target=\"_blank\">PubMed Central<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 28\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Photosensitized%20O2%20enables%20intermolecular%20alkene%20cyclopropanation%20by%20active%20methylene%20compounds&amp;journal=Science&amp;doi=10.1126%2Fscience.adg3209&amp;volume=381&amp;pages=545-553&amp;publication_year=2023&amp;author=Poudel%2CDP&amp;author=Pokhrel%2CA&amp;author=Tak%2CRK&amp;author=Shankar%2CM&amp;author=Giri%2CR\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR29\">Liang, R.-B., Yang, C., Xia, W. &amp; Guo, L. Photoredox-catalyzed cyclopropanation via ligated boryl radical-mediated nonstabilized carbene formation. J. Am. Chem. Soc. 147, 36781\u201336792 (2025).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1021\/jacs.5c12677\" data-track-item_id=\"10.1021\/jacs.5c12677\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1021%2Fjacs.5c12677\" aria-label=\"Article reference 29\" data-doi=\"10.1021\/jacs.5c12677\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2025JAChS.14736781L\" aria-label=\"ADS reference 29\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BB2MXitlKmu7bK\" aria-label=\"CAS reference 29\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed reference\" data-track-action=\"pubmed reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Abstract&amp;list_uids=41001743\" aria-label=\"PubMed reference 29\" target=\"_blank\">PubMed<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 29\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Photoredox-catalyzed%20cyclopropanation%20via%20ligated%20boryl%20radical-mediated%20nonstabilized%20carbene%20formation&amp;journal=J.%20Am.%20Chem.%20Soc.&amp;doi=10.1021%2Fjacs.5c12677&amp;volume=147&amp;pages=36781-36792&amp;publication_year=2025&amp;author=Liang%2CR-B&amp;author=Yang%2CC&amp;author=Xia%2CW&amp;author=Guo%2CL\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR30\">Zheng, Y.-T. et al. Carbene reactivity directly from aldehydes via low-valent iron electrocatalysis. J. Am. Chem. Soc. 147, 43254\u201343260 (2025).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1021\/jacs.5c17027\" data-track-item_id=\"10.1021\/jacs.5c17027\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1021%2Fjacs.5c17027\" aria-label=\"Article reference 30\" data-doi=\"10.1021\/jacs.5c17027\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2025JAChS.14743254Z\" aria-label=\"ADS reference 30\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BB2MXjtVWru7bM\" aria-label=\"CAS reference 30\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed reference\" data-track-action=\"pubmed reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Abstract&amp;list_uids=41223141\" aria-label=\"PubMed reference 30\" target=\"_blank\">PubMed<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 30\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Carbene%20reactivity%20directly%20from%20aldehydes%20via%20low-valent%20iron%20electrocatalysis&amp;journal=J.%20Am.%20Chem.%20Soc.&amp;doi=10.1021%2Fjacs.5c17027&amp;volume=147&amp;pages=43254-43260&amp;publication_year=2025&amp;author=Zheng%2CY-T\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR31\">Kim, M. J. et al. Diastereoselective synthesis of cyclopropanes from carbon pronucleophiles and terminal alkenes. Angew. Chem. Int. Ed. 62, e202303032 (2023).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1002\/anie.202303032\" data-track-item_id=\"10.1002\/anie.202303032\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1002%2Fanie.202303032\" aria-label=\"Article reference 31\" data-doi=\"10.1002\/anie.202303032\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BB3sXot1Wktb0%3D\" aria-label=\"CAS reference 31\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 31\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Diastereoselective%20synthesis%20of%20cyclopropanes%20from%20carbon%20pronucleophiles%20and%20terminal%20alkenes&amp;journal=Angew.%20Chem.%20Int.%20Ed.&amp;doi=10.1002%2Fanie.202303032&amp;volume=62&amp;publication_year=2023&amp;author=Kim%2CMJ\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR32\">Liu, M.-S., Du, H.-W., Cui, J.-F. &amp; Shu, W. Intermolecular metal-free cyclopropanation and aziridination of alkenes with XH2 (X = N, C) by thianthrenation. Angew. Chem. Int. Ed. 61, e202209929 (2022).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1002\/anie.202209929\" data-track-item_id=\"10.1002\/anie.202209929\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1002%2Fanie.202209929\" aria-label=\"Article reference 32\" data-doi=\"10.1002\/anie.202209929\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BB38XitlClt7bP\" aria-label=\"CAS reference 32\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 32\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Intermolecular%20metal-free%20cyclopropanation%20and%20aziridination%20of%20alkenes%20with%20XH2%20%28X%20%3D%20N%2C%20C%29%20by%20thianthrenation&amp;journal=Angew.%20Chem.%20Int.%20Ed.&amp;doi=10.1002%2Fanie.202209929&amp;volume=61&amp;publication_year=2022&amp;author=Liu%2CM-S&amp;author=Du%2CH-W&amp;author=Cui%2CJ-F&amp;author=Shu%2CW\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR33\">Kelly, C. B. et al. Modern cyclopropanation via non-traditional building blocks. ChemCatChem. 16, e202400110 (2024).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1002\/cctc.202400110\" data-track-item_id=\"10.1002\/cctc.202400110\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1002%2Fcctc.202400110\" aria-label=\"Article reference 33\" data-doi=\"10.1002\/cctc.202400110\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BB2cXosFOhtb4%3D\" aria-label=\"CAS reference 33\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 33\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Modern%20cyclopropanation%20via%20non-traditional%20building%20blocks&amp;journal=ChemCatChem.&amp;doi=10.1002%2Fcctc.202400110&amp;volume=16&amp;publication_year=2024&amp;author=Kelly%2CCB\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR34\">Johnson, J. D., Teeples, C. R., Akkawi, N. R. &amp; Wilkerson-Hill, S. M. Efficient synthesis of orphaned cyclopropanes using sulfones as carbene equivalents. J. Am. Chem. Soc. 144, 14471\u201314476 (2022).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1021\/jacs.2c07063\" data-track-item_id=\"10.1021\/jacs.2c07063\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1021%2Fjacs.2c07063\" aria-label=\"Article reference 34\" data-doi=\"10.1021\/jacs.2c07063\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2022JAChS.14414471J\" aria-label=\"ADS reference 34\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BB38XitVygtbvI\" aria-label=\"CAS reference 34\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed reference\" data-track-action=\"pubmed reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Abstract&amp;list_uids=35939335\" aria-label=\"PubMed reference 34\" target=\"_blank\">PubMed<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 34\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Efficient%20synthesis%20of%20orphaned%20cyclopropanes%20using%20sulfones%20as%20carbene%20equivalents&amp;journal=J.%20Am.%20Chem.%20Soc.&amp;doi=10.1021%2Fjacs.2c07063&amp;volume=144&amp;pages=14471-14476&amp;publication_year=2022&amp;author=Johnson%2CJD&amp;author=Teeples%2CCR&amp;author=Akkawi%2CNR&amp;author=Wilkerson-Hill%2CSM\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR35\">Cohen, T., Herman, G., Chapman, T. M. &amp; Kuhn, D. Laboratory model for the biosynthesis of cyclopropane rings. Copper-catalyzed cyclopropanation of olefins by sulfur ylides. J. Am. Chem. Soc. 96, 5627\u20135628 (1974).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1021\/ja00824a082\" data-track-item_id=\"10.1021\/ja00824a082\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1021%2Fja00824a082\" aria-label=\"Article reference 35\" data-doi=\"10.1021\/ja00824a082\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=1974JAChS..96.5627C\" aria-label=\"ADS reference 35\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DyaE2cXltVCku7c%3D\" aria-label=\"CAS reference 35\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 35\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Laboratory%20model%20for%20the%20biosynthesis%20of%20cyclopropane%20rings.%20Copper-catalyzed%20cyclopropanation%20of%20olefins%20by%20sulfur%20ylides&amp;journal=J.%20Am.%20Chem.%20Soc.&amp;doi=10.1021%2Fja00824a082&amp;volume=96&amp;pages=5627-5628&amp;publication_year=1974&amp;author=Cohen%2CT&amp;author=Herman%2CG&amp;author=Chapman%2CTM&amp;author=Kuhn%2CD\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR36\">Cimeti\u00e8re, B. &amp; Julia, M. Alkene cyclopropanation with sulfonium ylids. Synlett 1991, 271\u2013272 (1991).<\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR37\">Duan, Y., Lin, J.-H., Xiao, J.-C. &amp; Gu, Y.-C. Difluoromethylcarbene for iron-catalyzed cyclopropanation. Chem. Commun. 53, 3870\u20133873 (2017).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1039\/C7CC01636K\" data-track-item_id=\"10.1039\/C7CC01636K\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1039%2FC7CC01636K\" aria-label=\"Article reference 37\" data-doi=\"10.1039\/C7CC01636K\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BC2sXktFyksb8%3D\" aria-label=\"CAS reference 37\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 37\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Difluoromethylcarbene%20for%20iron-catalyzed%20cyclopropanation&amp;journal=Chem.%20Commun.&amp;doi=10.1039%2FC7CC01636K&amp;volume=53&amp;pages=3870-3873&amp;publication_year=2017&amp;author=Duan%2CY&amp;author=Lin%2CJ-H&amp;author=Xiao%2CJ-C&amp;author=Gu%2CY-C\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR38\">Duan, Y., Lin, J.-H., Xiao, J.-C. &amp; Gu, Y.-C. A trifluoromethylcarbene source. Org. Lett. 18, 2471\u20132474 (2016).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1021\/acs.orglett.6b01042\" data-track-item_id=\"10.1021\/acs.orglett.6b01042\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1021%2Facs.orglett.6b01042\" aria-label=\"Article reference 38\" data-doi=\"10.1021\/acs.orglett.6b01042\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BC28XnslOgs70%3D\" aria-label=\"CAS reference 38\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed reference\" data-track-action=\"pubmed reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Abstract&amp;list_uids=27169696\" aria-label=\"PubMed reference 38\" target=\"_blank\">PubMed<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 38\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=A%20trifluoromethylcarbene%20source&amp;journal=Org.%20Lett.&amp;doi=10.1021%2Facs.orglett.6b01042&amp;volume=18&amp;pages=2471-2474&amp;publication_year=2016&amp;author=Duan%2CY&amp;author=Lin%2CJ-H&amp;author=Xiao%2CJ-C&amp;author=Gu%2CY-C\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR39\">Lin, X., Shen, H., Gu, D. &amp; Wang, Z. Iron-catalyzed cyclopropanation of allenes using unactivated alkyl sulfonium salts. Angew. Chem. Int. Ed. 65, e3566616 (2026).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1002\/anie.3566616\" data-track-item_id=\"10.1002\/anie.3566616\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1002%2Fanie.3566616\" aria-label=\"Article reference 39\" data-doi=\"10.1002\/anie.3566616\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BB28XhsVKitbfN\" aria-label=\"CAS reference 39\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 39\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Iron-catalyzed%20cyclopropanation%20of%20allenes%20using%20unactivated%20alkyl%20sulfonium%20salts&amp;journal=Angew.%20Chem.%20Int.%20Ed.&amp;doi=10.1002%2Fanie.3566616&amp;volume=65&amp;publication_year=2026&amp;author=Lin%2CX&amp;author=Shen%2CH&amp;author=Gu%2CD&amp;author=Wang%2CZ\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR40\">DeMuynck, B. M., Zhang, L., Ralph, E. K. &amp; Nagib, D. A. Cyclopropanation of unactivated alkenes with non-stabilized iron carbenes. Chem. 10, 1015\u20131027 (2024).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1016\/j.chempr.2024.01.006\" data-track-item_id=\"10.1016\/j.chempr.2024.01.006\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1016%2Fj.chempr.2024.01.006\" aria-label=\"Article reference 40\" data-doi=\"10.1016\/j.chempr.2024.01.006\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BB2cXivV2qu7Y%3D\" aria-label=\"CAS reference 40\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed reference\" data-track-action=\"pubmed reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Abstract&amp;list_uids=39070927\" aria-label=\"PubMed reference 40\" target=\"_blank\">PubMed<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed central reference\" data-track-action=\"pubmed central reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC11281255\" aria-label=\"PubMed Central reference 40\" target=\"_blank\">PubMed Central<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 40\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Cyclopropanation%20of%20unactivated%20alkenes%20with%20non-stabilized%20iron%20carbenes&amp;journal=Chem.&amp;doi=10.1016%2Fj.chempr.2024.01.006&amp;volume=10&amp;pages=1015-1027&amp;publication_year=2024&amp;author=DeMuynck%2CBM&amp;author=Zhang%2CL&amp;author=Ralph%2CEK&amp;author=Nagib%2CDA\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR41\">Zhang, L., DeMuynck, B. M., Paneque, A. N., Rutherford, J. E. &amp; Nagib, D. A. Carbene reactivity from alkyl and aryl aldehydes. Science 377, 649\u2013654 (2022).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1126\/science.abo6443\" data-track-item_id=\"10.1126\/science.abo6443\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1126%2Fscience.abo6443\" aria-label=\"Article reference 41\" data-doi=\"10.1126\/science.abo6443\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2022Sci...377..649Z\" aria-label=\"ADS reference 41\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BB38XitVyqu7jF\" aria-label=\"CAS reference 41\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed reference\" data-track-action=\"pubmed reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Abstract&amp;list_uids=35926031\" aria-label=\"PubMed reference 41\" target=\"_blank\">PubMed<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed central reference\" data-track-action=\"pubmed central reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC9439075\" aria-label=\"PubMed Central reference 41\" target=\"_blank\">PubMed Central<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 41\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Carbene%20reactivity%20from%20alkyl%20and%20aryl%20aldehydes&amp;journal=Science&amp;doi=10.1126%2Fscience.abo6443&amp;volume=377&amp;pages=649-654&amp;publication_year=2022&amp;author=Zhang%2CL&amp;author=DeMuynck%2CBM&amp;author=Paneque%2CAN&amp;author=Rutherford%2CJE&amp;author=Nagib%2CDA\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR42\">Ngo, D. T., Garwood, J. J. A. &amp; Nagib, D. A. Cyclopropanation with non-stabilized carbenes via ketyl radicals. J. Am. Chem. Soc. 146, 24009\u201324015 (2024).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1021\/jacs.4c07388\" data-track-item_id=\"10.1021\/jacs.4c07388\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1021%2Fjacs.4c07388\" aria-label=\"Article reference 42\" data-doi=\"10.1021\/jacs.4c07388\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2024JAChS.14624009N\" aria-label=\"ADS reference 42\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BB2cXhs1emtrfN\" aria-label=\"CAS reference 42\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed reference\" data-track-action=\"pubmed reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Abstract&amp;list_uids=39049431\" aria-label=\"PubMed reference 42\" target=\"_blank\">PubMed<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed central reference\" data-track-action=\"pubmed central reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC12129045\" aria-label=\"PubMed Central reference 42\" target=\"_blank\">PubMed Central<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 42\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Cyclopropanation%20with%20non-stabilized%20carbenes%20via%20ketyl%20radicals&amp;journal=J.%20Am.%20Chem.%20Soc.&amp;doi=10.1021%2Fjacs.4c07388&amp;volume=146&amp;pages=24009-24015&amp;publication_year=2024&amp;author=Ngo%2CDT&amp;author=Garwood%2CJJA&amp;author=Nagib%2CDA\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR43\">Berger, F. et al. Site-selective and versatile aromatic C\u2013H functionalization by thianthrenation. Nature 567, 223\u2013228 (2019).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1038\/s41586-019-0982-0\" data-track-item_id=\"10.1038\/s41586-019-0982-0\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1038%2Fs41586-019-0982-0\" aria-label=\"Article reference 43\" data-doi=\"10.1038\/s41586-019-0982-0\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2019Natur.567..223B\" aria-label=\"ADS reference 43\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BC1MXnvF2hsLo%3D\" aria-label=\"CAS reference 43\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed reference\" data-track-action=\"pubmed reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Abstract&amp;list_uids=30867606\" aria-label=\"PubMed reference 43\" target=\"_blank\">PubMed<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 43\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Site-selective%20and%20versatile%20aromatic%20C%E2%80%93H%20functionalization%20by%20thianthrenation&amp;journal=Nature&amp;doi=10.1038%2Fs41586-019-0982-0&amp;volume=567&amp;pages=223-228&amp;publication_year=2019&amp;author=Berger%2CF\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR44\">Bai, Z. &amp; Ritter, T. Applications of thianthrene chemistry in organic synthesis. Nat. Synth. 4, 1187\u20131199 (2025).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1038\/s44160-025-00878-5\" data-track-item_id=\"10.1038\/s44160-025-00878-5\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1038%2Fs44160-025-00878-5\" aria-label=\"Article reference 44\" data-doi=\"10.1038\/s44160-025-00878-5\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BB2MXisVGnu77O\" aria-label=\"CAS reference 44\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 44\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Applications%20of%20thianthrene%20chemistry%20in%20organic%20synthesis&amp;journal=Nat.%20Synth.&amp;doi=10.1038%2Fs44160-025-00878-5&amp;volume=4&amp;pages=1187-1199&amp;publication_year=2025&amp;author=Bai%2CZ&amp;author=Ritter%2CT\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR45\">Meng, H., Liu, M.-S. &amp; Shu, W. Organothianthrenium salts: synthesis and utilization. Chem. Sci. 13, 13690\u201313707 (2022).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1039\/D2SC04507A\" data-track-item_id=\"10.1039\/D2SC04507A\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1039%2FD2SC04507A\" aria-label=\"Article reference 45\" data-doi=\"10.1039\/D2SC04507A\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BB38XislOmurbJ\" aria-label=\"CAS reference 45\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed reference\" data-track-action=\"pubmed reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Abstract&amp;list_uids=36544727\" aria-label=\"PubMed reference 45\" target=\"_blank\">PubMed<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed central reference\" data-track-action=\"pubmed central reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC9710214\" aria-label=\"PubMed Central reference 45\" target=\"_blank\">PubMed Central<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 45\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Organothianthrenium%20salts%3A%20synthesis%20and%20utilization&amp;journal=Chem.%20Sci.&amp;doi=10.1039%2FD2SC04507A&amp;volume=13&amp;pages=13690-13707&amp;publication_year=2022&amp;author=Meng%2CH&amp;author=Liu%2CM-S&amp;author=Shu%2CW\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR46\">Zhao, D., Petzold, R., Yan, J., Muri, D. &amp; Ritter, T. Tritiation of aryl thianthrenium salts with a molecular palladium catalyst. Nature 600, 444\u2013449 (2021).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1038\/s41586-021-04007-y\" data-track-item_id=\"10.1038\/s41586-021-04007-y\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1038%2Fs41586-021-04007-y\" aria-label=\"Article reference 46\" data-doi=\"10.1038\/s41586-021-04007-y\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2021Natur.600..444Z\" aria-label=\"ADS reference 46\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BB3MXislGntbbF\" aria-label=\"CAS reference 46\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed reference\" data-track-action=\"pubmed reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Abstract&amp;list_uids=34912086\" aria-label=\"PubMed reference 46\" target=\"_blank\">PubMed<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed central reference\" data-track-action=\"pubmed central reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC8674128\" aria-label=\"PubMed Central reference 46\" target=\"_blank\">PubMed Central<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 46\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Tritiation%20of%20aryl%20thianthrenium%20salts%20with%20a%20molecular%20palladium%20catalyst&amp;journal=Nature&amp;doi=10.1038%2Fs41586-021-04007-y&amp;volume=600&amp;pages=444-449&amp;publication_year=2021&amp;author=Zhao%2CD&amp;author=Petzold%2CR&amp;author=Yan%2CJ&amp;author=Muri%2CD&amp;author=Ritter%2CT\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR47\">Pedersen, P. S. et al. Direct access to iron carbenes from aldehyde, ketone, and formamide feedstocks. J. Am. Chem. Soc. 148, 18703\u201318714 (2026).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1021\/jacs.5c21614\" data-track-item_id=\"10.1021\/jacs.5c21614\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1021%2Fjacs.5c21614\" aria-label=\"Article reference 47\" data-doi=\"10.1021\/jacs.5c21614\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BB28XhtVKls73L\" aria-label=\"CAS reference 47\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed reference\" data-track-action=\"pubmed reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Abstract&amp;list_uids=42047662\" aria-label=\"PubMed reference 47\" target=\"_blank\">PubMed<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed central reference\" data-track-action=\"pubmed central reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC13184977\" aria-label=\"PubMed Central reference 47\" target=\"_blank\">PubMed Central<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 47\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Direct%20access%20to%20iron%20carbenes%20from%20aldehyde%2C%20ketone%2C%20and%20formamide%20feedstocks&amp;journal=J.%20Am.%20Chem.%20Soc.&amp;doi=10.1021%2Fjacs.5c21614&amp;volume=148&amp;pages=18703-18714&amp;publication_year=2026&amp;author=Pedersen%2CPS\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR48\">Ciaccio, J. A. &amp; Aman, C. E. \u201cInstant methylide\u201d modification of the Corey\u2013Chaykovsky cyclopropanation reaction. Synth. Commun. 36, 1333\u20131341 (2006).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1080\/00397910500521837\" data-track-item_id=\"10.1080\/00397910500521837\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1080%2F00397910500521837\" aria-label=\"Article reference 48\" data-doi=\"10.1080\/00397910500521837\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"cas reference\" data-track-action=\"cas reference\" href=\"https:\/\/www.nature.com\/articles\/cas-redirect\/1:CAS:528:DC%2BD28XjtVGks7o%3D\" aria-label=\"CAS reference 48\" target=\"_blank\">CAS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 48\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=%E2%80%9CInstant%20methylide%E2%80%9D%20modification%20of%20the%20Corey%E2%80%93Chaykovsky%20cyclopropanation%20reaction&amp;journal=Synth.%20Commun.&amp;doi=10.1080%2F00397910500521837&amp;volume=36&amp;pages=1333-1341&amp;publication_year=2006&amp;author=Ciaccio%2CJA&amp;author=Aman%2CCE\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR49\">Bergstr\u00f6m, M. A., Luthman, K., Nilsson, J. L. G. &amp; Karlberg, A.-T. Conjugated dienes as prohaptens in contact allergy: in vivo and in vitro studies of structure\u2013activity relationships, sensitizing capacity, and metabolic activation. Chem. Res. Toxicol. 19, 760\u2013769 (2006).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1021\/tx060006n\" data-track-item_id=\"10.1021\/tx060006n\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1021%2Ftx060006n\" aria-label=\"Article reference 49\" data-doi=\"10.1021\/tx060006n\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"pubmed reference\" data-track-action=\"pubmed reference\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Abstract&amp;list_uids=16780354\" aria-label=\"PubMed reference 49\" target=\"_blank\">PubMed<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 49\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Conjugated%20dienes%20as%20prohaptens%20in%20contact%20allergy%3A%20in%20vivo%20and%20in%20vitro%20studies%20of%20structure%E2%80%93activity%20relationships%2C%20sensitizing%20capacity%2C%20and%20metabolic%20activation&amp;journal=Chem.%20Res.%20Toxicol.&amp;doi=10.1021%2Ftx060006n&amp;volume=19&amp;pages=760-769&amp;publication_year=2006&amp;author=Bergstr%C3%B6m%2CMA&amp;author=Luthman%2CK&amp;author=Nilsson%2CJLG&amp;author=Karlberg%2CA-T\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n","protected":false},"excerpt":{"rendered":"Green, S. P. et al. Thermal stability and explosive hazard assessment of diazo compounds and diazo transfer reagents.&hellip;\n","protected":false},"author":2,"featured_media":867404,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[365783,1159,1160,79,365782],"class_list":["post-867403","post","type-post","status-publish","format-standard","has-post-thumbnail","category-science","tag-homogeneous-catalysis","tag-humanities-and-social-sciences","tag-multidisciplinary","tag-science","tag-synthetic-chemistry-methodology"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/posts\/867403","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/comments?post=867403"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/posts\/867403\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/media\/867404"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/media?parent=867403"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/categories?post=867403"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/tags?post=867403"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}