| 摘要 |
1284122 Benzodiazepines TAKEDA YAKU. HIN KOGYA KK 17 July 1969 [17 July 1968] 36031/69 Heading C2C Compounds of the general formula (R 1 =H, halogen, NO 2 , CF 3 , alkyl; R 3 =H, COOH, COOalkyl, CONH 2 , substituted carbamoyl, or aryl, aralkyl or alkyl optionally substituted by one or more alkoxy, alkylthio, mono- or disubstituted amino or heterocyclic groups: 5-phenyl group optionally substituted by one or more halogen atoms, NO 2 , CF 3 or alkyl groups) are prepared by reacting a compound of the formula with a salt of R 3 CH(NH 2 )COOR 4 (R 4 = hydrocarbon residue) in the presence of an organic base. Reference has been directed by the Comptroller to Specification 972,968. |
