SO$_2$ conversion to sulfones: development and mechanistic insights of a sulfonylative Hiyama cross-coupling

Aurélien Adenot; Joëlle Char; Niklas von Wolff; Guillaume Lefevre; Lucile Anthore-Dalion; Thibault Cantat

doi:10.1039/C9CC06858A

Journal articles

SO$_2$ conversion to sulfones: development and mechanistic insights of a sulfonylative Hiyama cross-coupling

Aurélien Adenot ¹ Joëlle Char ¹ Niklas von Wolff ¹ Guillaume Lefevre ¹ Lucile Anthore-Dalion ¹ Thibault Cantat ^{1, *}

* Corresponding author

1 LCMCE - Laboratoire de Chimie Moléculaire et de Catalyse pour l'Energie (ex LCCEF)

NIMBE UMR 3685 - Nanosciences et Innovation pour les Matériaux, la Biomédecine et l'Energie (ex SIS2M)

Abstract : A sulfonylative Hiyama cross-coupling reaction using gaseous SO$_2$ is described, using Pd-catalysts. The use of silicon-based nucleophiles leads to the formation of allyl sulfones under mild conditions with a broad functional group tolerance. Control experiments coupled with DFT calculations shed light on the key steps of the reaction mechanism, revealing the crucial role of a transient sulfinate anion.

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Journal articles

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Chemical Sciences / Catalysis

Chemical Sciences / Organic chemistry

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