Verfahren zur Herstellung von Benzodiazepinen

摘要

1304663 Benzodiazepines SUMITOMO CHEMICAL CO Ltd 19 April 1971 [25 March 1970 26 March 1970 14 May 1970] 25069/71 Heading C2C Benzodiazepine derivatives are prepared by the following route (R 1 = H, alkoxy; R 2 = H, C 1-3 alkyl; X,Y = H, . halogen, C 1-3 alkyl, CF 3 , NO 2 ), optionally followed by salt formation. Reference has been directed by the Comptroller to Specification 1,017,276.