{"title":"Photoredox/HAT dual-catalyzed carboxylation of benzyl chlorides with CO2 using thiophenolate and formate as reductants","authors":"Zhengning Fan , Yaping Yi , Chanjuan Xi","doi":"10.1016/j.tgchem.2023.100028","DOIUrl":null,"url":null,"abstract":"<div><p>Carboxylation of benzyl chlorides with CO<sub>2</sub> has been developed with photoredox/HAT dual-catalysis. The reaction could be conducted at room temperature with blue LED light source. Potassium formate (HCO<sub>2</sub>K) is used as a green reductant and a catalytic amount of sodium thiophenolate (PhSNa) is applied as the HAT reagent. Strongly reductive carbon dioxide radical anion (CO<sub>2</sub><sup>‧–</sup>) is produced to promote the cleavage of <em>C</em>–Cl bond.</p></div>","PeriodicalId":101215,"journal":{"name":"Tetrahedron Green Chem","volume":"2 ","pages":"Article 100028"},"PeriodicalIF":0.0000,"publicationDate":"2023-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Tetrahedron Green Chem","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2773223123000274","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Carboxylation of benzyl chlorides with CO2 has been developed with photoredox/HAT dual-catalysis. The reaction could be conducted at room temperature with blue LED light source. Potassium formate (HCO2K) is used as a green reductant and a catalytic amount of sodium thiophenolate (PhSNa) is applied as the HAT reagent. Strongly reductive carbon dioxide radical anion (CO2‧–) is produced to promote the cleavage of C–Cl bond.
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