PREPARATION OF 7 - CHLORO-2 2-DIHYDRO-1-METHYL-5-PHENYL - 1H -1 4-BENZODIAZEPINE FROM 2 3 -DIHYDRO-1-METHYL-5-PHENYL-1H-1 4-BENZODIAZEPINE BY CHLORINATION

摘要

A process for the preparation of benzodiazepine derivatives corresponding to the general formula ** (see formula) ** Wherein r represents lower alkyl and x represents halogen characterized by being a compound of the general formula ** (see formula) ** Wherein r has the meaning that has been defined in formula i above, with a halogenating agent. (Machine-translation by Google Translate, not legally binding)