SUBSTITUTED 1,3-DIHYDRO-2H-1,4-BENZODIAZEPINE-2-ONES

摘要

1385766 Benzodiazepines BOEHRINGER INGELHEIM GmbH 7 April 1972 [8 April 1971] 16213/72 Heading C2C Compounds of the general formula (R 1 =H, C 1-4 alkyl; R 2 =Ph optionally osubstituted by halogen, NO 2 or CF 3 , orα-Py; R 3 = halogen, NO 2 , CF 3 ) are prepared by reacting a compound of the formula with R 2 X (X=halogen). The starting materials are prepared by the following route The above compounds are psychosedatives and anticonvulsants, and may be administered in the form of pharmaceutical preparations containing them in association with a carrier. Reference has been directed by the Comptroller to Specification 1,269,664.