Citation: Bao Yu MI, Sheng JIN. NEW HETEROCYCLIC SYSTEM SYNTHESIS I REACTION OF DIHYDRO-1,5-BENZO-DIAZEPINES AND THIAZEPINES WITH (ETHOXYCARBONYL)CARBENES[J]. Chinese Chemical Letters, ;1991, 2(12): 925-926. shu

NEW HETEROCYCLIC SYSTEM SYNTHESIS I REACTION OF DIHYDRO-1,5-BENZO-DIAZEPINES AND THIAZEPINES WITH (ETHOXYCARBONYL)CARBENES

Bao Yu MI ,
Sheng JIN

Department of Chemistry, Peking University Beijing 100871

Received Date: 28 August 1991

Dihydro-1-benzoyl-1,5-benzodiazepines react with (ethoxycarbonyl)carbenes to give 4H-azirino-[1,2-a] [1,5]-benzodiazepines and unexpected new ring system 1H-pyrrolo-[1,2-a] [1,5]-benzodiazepines. Dihydro-1,5-benzothiazepines react with (ethoxycarbonyl)carbenes in cyclohexane to gire unexpected ring cleavage products ethyl (2E, 4E)-3-aryl-2-arylthiohexadienoates.
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