Bromodimethylsulfonium Bromide-ZnCl2: A Mild and Efficient Catalytic System for Beckmann Rearrangement
Lal Dhar S. Yadav*, Rajesh Patel, Vishnu P. Srivastava
*Green Synthesis Lab, Department of Chemistry, University of Allahabad, Allahabad 211002, India, Email: ldsyadavhotmail.com
L. D. S. Yadav, R. Patel, V. P. Srivastava, Synthesis, 2010, 1771-1776.
A combination of bromodimethylsulfonium bromide with zinc chloride is 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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Beckmann rearrangement, ketoximes, amides, bromodimethylsulfonium bromide (BDMS), catalytic process, Lewis acids