4.5 Article

Bromodimethylsulfonium Bromide-ZnCl2: A Mild and Efficient Catalytic System for Beckmann Rearrangement

Journal

SYNTHESIS-STUTTGART
Volume -, Issue 11, Pages 1771-1776

Publisher

GEORG THIEME VERLAG KG
DOI: 10.1055/s-0029-1218730

Keywords

Beckmann rearrangement; ketoximes; amides; bromodimethylsulfonium bromide (BDMS); catalytic process; Lewis acids

Funding

  1. CSIR, New Delhi

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Bromodimethylsulfonium bromide, in combination with zinc chloride, has been shown to be an excellent catalytic system for liquid-phase Beckmann rearrangement of various ketoximes into the corresponding amides/lactams in acetonitrile at reflux temperature with good to excellent yields.

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