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Photocatalytic aerobic α-thiolation/annulation of carbonyls with mercaptobenzimidazoles

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Abstract

A concise aerobic photocatalysis using a blue LED combined with a Lewis acid has been developed to enable α-thiolation/annulation of carbonyls. Inexpensive, nontoxic Rose Bengal was demonstrated as the best catalyst. Hence, this transition-metal-free protocol allows mild Csp3–S couplings with both ketones and aliphatic aldehydes with a range of compatible useful functionalities.

Graphical abstract: Photocatalytic aerobic α-thiolation/annulation of carbonyls with mercaptobenzimidazoles

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Publication details

The article was received on 17 Mar 2019, accepted on 29 Apr 2019 and first published on 29 Apr 2019


Article type: Communication
DOI: 10.1039/C9OB00625G
Org. Biomol. Chem., 2019, Advance Article

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    Photocatalytic aerobic α-thiolation/annulation of carbonyls with mercaptobenzimidazoles

    X. Ji, M. Tan, M. Fu, G. Deng and H. Huang, Org. Biomol. Chem., 2019, Advance Article , DOI: 10.1039/C9OB00625G

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