UV irradiation of chlorodiazepoxide (1) and its hydrochloride dihydro-2-methylamino-4- phenyl-5H-1, 4-benzodiazepine-5-led to three photoproducts: 2-([(3-~ hlorophenyl) phenylmethy-one (4). The photochemical degradation of 1, 1-hydrochloride, 1enelamino)-N- methylacetamide (2), l-benzoyl-7-chloro-l, 2-diazepam and nitrazepam in the crystalline state have been dihydro-3-methylaminoquinoxaline (3) and 7-chloro-3, 4-investigated and ...
