Acylations of 1 H-1, 2-thieno-and 1 H-1, 2-benzo-diazepines: ring-conversion into 1, 3-diazepines

J Kurita, M Enkaku, T Tsuchiya

文献索引：Kurita, Jyoji; Enkaku, Michiko; Tsuchiya, Takashi Journal of the Chemical Society, Chemical Communications, 1982 , # 17 p. 990 - 991

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摘要

Treatment of the 1H-1, 2-thienodiazepine (1) and the 1H-1, 2-benzodiazepines (7) having an electron-donating substituent in the 7-position with ethyl chloroformate, acetyl chloride, or benzoyl chloride in benzene results in ring-conversion to give the corresponding 1, 3- diazepines (3) and (12).