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The process demonstrates redox-neutral carboxylation of a heteroaromatic C\u2013H bond in a regioselective manner. Mechanistically, the reaction is likely initiated by the generation of heteroarene radical anions through single-electron reduction of heteroarenes, followed by carboxylation and oxidative rearomatization to liberate heteroarene carboxylic acids.<\/jats:p>","DOI":"10.1021\/acs.orglett.6c02881","type":"journal-article","created":{"date-parts":[[2026,7,27]],"date-time":"2026-07-27T05:13:07Z","timestamp":1785129187000},"page":"10099-10104","source":"Crossref","is-referenced-by-count":0,"title":["Carboxylation of Heteroarenes with Carbon Dioxide\nunder Polysulfide Anion Photocatalysis"],"prefix":"10.1021","volume":"28","author":[{"given":"Amirah S.","family":"Mat Lani","sequence":"first","affiliation":[{"name":"Nanyang Technological University , , ,","place":["Singapore, 637371"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hui Ling","family":"Saw","sequence":"additional","affiliation":[{"name":"Nanyang Technological University , , ,","place":["Singapore, 637371"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Taku","family":"Wakabayashi","sequence":"additional","affiliation":[{"name":"Nanyang Technological University , , ,","place":["Singapore, 637371"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3482-0894","authenticated-orcid":true,"given":"David F.","family":"Ferna\u0301ndez","sequence":"additional","affiliation":[{"name":"Chemical Research and Development, Pfizer Worldwide Research and Development , , ,","place":["Groton, Connecticut, United States, 06340"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mari\u0301a","family":"Gonza\u0301lez-Esguevillas","sequence":"additional","affiliation":[{"name":"Chemical Research and Development, Pfizer Worldwide Research and Development , , ,","place":["Groton, Connecticut, United States, 06340"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-4565-6975","authenticated-orcid":true,"given":"Philipp C.","family":"Roosen","sequence":"additional","affiliation":[{"name":"Chemical Research and Development, Pfizer Worldwide Research and Development , , ,","place":["Groton, Connecticut, United States, 06340"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2039-023X","authenticated-orcid":true,"given":"Shunsuke","family":"Chiba","sequence":"additional","affiliation":[{"name":"Nanyang Technological University , , ,","place":["Singapore, 637371"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"316","published-online":{"date-parts":[[2026,7,25]]},"reference":[{"key":"2026080709070424200_cit1","doi-asserted-by":"publisher","first-page":"397","DOI":"10.1126\/science.aay3060","article-title":"Designing for a Green\nChemistry Future","volume":"367","author":"Zimmerman","year":"2020","journal-title":"Science"},{"key":"2026080709070424200_cit2","doi-asserted-by":"publisher","first-page":"87","DOI":"10.1038\/s41586-019-1681-6","article-title":"The Technological\nand Economic Prospects for CO2 Utilization and Removal","volume":"575","author":"Hepburn","year":"2019","journal-title":"Nature"},{"key":"2026080709070424200_cit3","doi-asserted-by":"publisher","first-page":"434","DOI":"10.1021\/acs.chemrev.7b00435","article-title":"Sustainable Conversion\nof Carbon\nDioxide: An Integrated Review of Catalysis and Life Cycle Assessment","volume":"118","author":"Artz","year":"2018","journal-title":"Chem. 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