New Synthesis of 1,4 Benzodiazepine-2,5-diones by Means of HCL Gas Catalyst

Autor: M. Boumzebra, Ph. Viallefont, H. Kasmi, A. Dahdouh, M. L. Roumestant, M. Akssira
Rok vydání: 1993
Předmět:
Zdroj: Synthetic Communications. 23:2265-2272
ISSN: 1532-2432
0039-7911
DOI: 10.1080/00397919308013783
Popis: A new synthesis of 1,4- benzodiazepinediones 4 , particularly 1,4-dihydro1H-1,4-benzodiazepine-2,5-dione, 4c key intermediate of metabolites cyclopenin 9 , cyclopenol 10 , cyclopeptine 11 and dehydrocyclopeptine 12 , was achieved by action of dry HCl gas in DMF on compound 3 prepared from anthranilic acid derivative 1 and amino ester 2 .
Databáze: OpenAIRE