Volume 241, 2023

Electro-mechanochemical approach towards the chloro sulfoximidations of allenes under solvent-free conditions in a ball mill

Abstract

An electro-mechanochemical protocol for the synthesis of vinylic sulfoximines has been developed. Utilising mechanochemically strained BaTiO3 nanoparticles, the catalytic active system is generated in situ by the reduction of copper(II) chloride. Various combinations of electron-donating and -withdrawing groups are tolerated, and the approach leads to products with difunctionalised double bonds in good to excellent yields. Attempts to add a sulfoximidoyl chloride to an alkyne proved difficult. Additions of a sulfonyl iodide to allenes and alkynes proceeded smoothly in the presence of silica gel without the need for activation by a piezoelectric material.

Graphical abstract: Electro-mechanochemical approach towards the chloro sulfoximidations of allenes under solvent-free conditions in a ball mill

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Article information

Article type
Paper
Submitted
08 Eph 2022
Accepted
10 Jun 2022
First published
10 Jun 2022

Faraday Discuss., 2023,241, 79-90

Electro-mechanochemical approach towards the chloro sulfoximidations of allenes under solvent-free conditions in a ball mill

Mostafa M. Amer, R. Hommelsheim, C. Schumacher, D. Kong and C. Bolm, Faraday Discuss., 2023, 241, 79 DOI: 10.1039/D2FD00075J

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