Benzodiazepine derivs - tranquilisers, muscle relaxants, hypnotics

摘要

Process: - R = haloalkyl or alkoxyalkyl - R1 = H, halogen or NO2 - R2 = H, halogen, alkyl, haloalkyl, alkoxy or NO2 - (I) are known tranquillisers, muscle relaxants, anti-cramp agents and hypnotics. - The new process is quick and economical giving high yields of high purity. 7-chloro-1-(ethoxyethyl)-5-phenyl-1,3-dihydro-2H-1,4-benzodia zepi- ne-2-one.