Compounds of the formula WHEREIN R1 is straight or branched alkyl of one to four carbon atoms, R2 is phenyl, o-halo-phenyl, o-nitro-phenyl or o-trifluoromethyl-phenyl, R3 is halogen, nitro or trifluromethyl, and X is oxygen or sulfur; THE COMPOUNDS ARE USEFUL AS PSYCHOSEDATIVES AND AS INTERMEDIATES FOR THE PREPARATION OF TRANQUILLIZERS.
2-(ALKOXY OR ALKYLMERCAPTO)-5-PHENYL-4H-3,5-DIHYDRO-1,5-BENZODIAZEPIN-4-ONES