1,4 Benzodiazepine derivs. - sedatives muscle relaxants

摘要

a) Improved method of prepn. for cpds. of general formula (I) and salts thereof where R1=H, halogen, (1-4C) alkyl, (1-4C) O-alkyl, or CF3. R2=(1-6C) alkyl or aralkyl and R3=H, (1-4C) alkyl, aralkyl, cycloalkylalkyl, or Ph opt. subst. by halogen. b) The cpds. Y=H or OH and W=O or S (IV)I where R3=Ph opt. subst. by hal. R5=lower alkyl, aralkyl, cycloalkylalkyl, opt. halo-subst. phenyl. R4 = H or (1-4C) alkyl. Tranquillisers, muscle relaxants, antispasmodics, and analgesics.