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DOI: 10.1039/A903722E (Paper) Reference Section for: J. Chem. Soc., Perkin Trans. 1, 1999, 2277-2280

Intramolecular N–H insertion of α-diazocarbonyls catalyzed by Cu(acac)2: An efficient route to derivatives of 3-oxoazetidines, 3-oxopyrrolidines and 3-oxopiperidines

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Jianbo Wang, Yihua Hou and Peng Wu

Abstract

Cu(acac)2 was found to be an efficient catalyst for the intramolecular N–H insertion by carbenoids. The competitive intramolecular C–H insertion by carbenoids is not a problem in the diazo decomposition reaction with Cu(acac)2 as catalyst. The reaction provided derivatives of 3-oxoazetidine, 3-oxopyrrolidine and 3-oxopiperidine in moderate to good yields.

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