A heavy-metal-free desulfonylative Giese-type reaction of benzothiazole sulfones under visible-light conditions?

Chemical Communications Pub Date: 2021-08-30 DOI: 10.1039/D1CC03833H

Abstract

A visible-light-induced desulfonylative Giese-type reaction has been developed. Essential to the success is the employment of Hantzsch ester to activate benzothiazole sulfones without any heavy-metal additives. Not only benzylic benzothiazole sulfones but also alkyl ones were viable substrates and reacted with electron-deficient alkenes and a propiol amide.

Graphical abstract: A heavy-metal-free desulfonylative Giese-type reaction of benzothiazole sulfones under visible-light conditions
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