Journal
CHEMICAL COMMUNICATIONS
Volume 46, Issue 31, Pages 5808-5810Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c0cc00815j
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- CSIR, New Delhi
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1-Chloro-2,3-diphenylcyclopropenium ion was found to be a very efficient organocatalyst (3 mol% loading) for liquid phase Beckmann rearrangement of various ketoximes to the corresponding amides/lactams within 2 h in acetonitrile at reflux temperature. This is the first example of the application of the cyclopropenium ion as a catalyst, which opens up a new aspect of the synthetic utility of aromatic cation based catalysis.
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