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Communication | Special issue | Vol 50, No. 1, 1999, pp.67-70
Published online, 1st January, 1970
DOI: 10.3987/COM-98-S(H)45
Novel Synthesis of Diazetidine-2,4-dione by Ring Expansion of Diaziridinone

Mitsuo Komatsu,* Satoshi Tamabuchi, Satoshi Minakata, and Yoshiki Ohshiro

*Department of Applied Chemistry, Faculty of Engineering, Osaka University, 2-1 Yamadaoka, Toyonaka, Osaka 560-0043, Japan

Abstract

Treatment of N,N’-di-tert-butyldiaziridinone with Ni(CO)4 under an atmosphere of carbon monoxide caused a carbonylative ring expansion to give di-tert-butyldiazetidinedione in good yield. In the presence of diphenylketene under the conditions, azetidinedione derivative was obtained.