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Copper-mediated direct sulfonylation of C(sp2)–H bonds employing TosMIC as a sulfonyl source

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Abstract

A method for Cu-mediated direct ortho-C–H sulfonylation of benzoic acid derivatives was developed by employing a PyO-directing group. For the first time, TosMIC could act as a sulfonyl source instead of sulfonyl chlorides or sulfinate salts. This protocol featured cheap metal catalysis, broad functional group compatibility and easy handling nature. Moreover, the PyO-directing group could be efficiently removed in one step.

Graphical abstract: Copper-mediated direct sulfonylation of C(sp2)–H bonds employing TosMIC as a sulfonyl source

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Publication details

The article was received on 18 Mar 2019, accepted on 26 Apr 2019 and first published on 30 Apr 2019


Article type: Research Article
DOI: 10.1039/C9QO00391F
Org. Chem. Front., 2019, Advance Article

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    Copper-mediated direct sulfonylation of C(sp2)–H bonds employing TosMIC as a sulfonyl source

    C. Fan, L. Zhang, J. Liu, X. Hao, J. Niu and M. Song, Org. Chem. Front., 2019, Advance Article , DOI: 10.1039/C9QO00391F

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