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Communication | Regular issue | Vol 24, No. 11, 1986, pp.3059-3064
Published online, 1st January, 1970
DOI: 10.3987/R-1986-11-3059
Preparation of 5-Ethoxycarbonyl- and 5-Cyano-5,6-dihydro-3,7-diphenyl-4H-diazepines and Their Halogenations

Kichinosuke Kamata and Otohiko Tsuge*

*Research Institute of Industrial Science, Faculty of Engineering, Kyushu University, 6-1, Kasuga-koen, Kasuga 816-8580, Japan

Abstract

5-Ethoxycarbonyl- and 5-cyano-5,6-dihydro-3,7-diphenyl-4H-1,2-diazepines were prepared and their halogenations were investigated under various conditions. The halogenation products were found to be strongly dependent upon the nature of 5-substituents as well as the reaction conditions.