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Communication | Regular issue | Vol 12, No. 10, 1979, pp.1285-1288
Published online, 1st January, 1970
DOI: 10.3987/R-1979-10-1285
Reaction of N,N’-Carbonyldiimidazole and N,N’-Thionyldiimidazole with Amides: An Imidazole Transfer Reaction

Masaru Ogata,* Hiroshi Matsumoto, and Shiro Kida

*Shionogi Research Laboratories, Shionogi & Co. Ltd., Fukushima-ku, Osaka 553-0002, Japan

Abstract

Reaction of N,N’-thionyldiimidazole with amides effects the formation of imidoylimidazoles in moderate yield under neutral conditions. The hydrogen bonding in o-hydroxybenzamides activates the amide group (carbonyl function) in its reaction with N,N’-carbonyldiimidazole.