Photoredox-Mediated Synthesis of Functionalized Sulfoxides from Terminal Alkynes.
ORGANIC LETTERS(2020)
Abstract
A photoredox-mediated protocol for the synthesis of alpha-alkoxy-beta-ketosulfoxides and alpha,beta-dialkoxysulfoxides using alkynes, thiol, and alcohols is reported. This work presents a rare single-step synthesis of alpha-substituted sulfoxides, involving tandem introduction of a thiol and alcohol as a key enabling advancement. Furthermore, the method can be easily employed to access vinyl sulfoxides and beta-ketosulfoxides.
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Key words
Visible Light Photoredox Catalysis
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