Publication

Copper-Catalyzed Oxyalkynylation of C-S Bonds in Thiiranes and Thiethanes with Hypervalent Iodine Reagents

Jérôme Waser, Guillaume Dominique Pisella, Julien Aymeric Borrel
2019
Journal paper

Abstract

We report the oxyalkynylation of thiiranes and thietanes using ethynylbenziodoxolone reagents (EBXs) to readily access functionalized building blocks bearing an alkynyl, a benzoate, and an iodide group. The reaction proceeds with high atom efficiency most likely through an alkynyl-episulfonium intermediate. The transformation is copper-catalyzed and compatible with a large array of thiiranes and thietanes.

Official source

https://infoscience.epfl.ch/record/275629?ln=en

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Copper-Catalyzed Oxyalkynylation of C-S Bonds in Thiiranes and Thiethanes with Hypervalent Iodine Reagents

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Learning Transformations To Reduce the Geometric Shift in Object Detection

Exploring Photoredox-Catalyzed (Re)functionalizations with Core-Modified Benziodoxolones

Learning Transformations To Reduce the Geometric Shift in Object Detection

Exploring Photoredox-Catalyzed (Re)functionalizations with Core-Modified Benziodoxolones