PROCESS FOR PREPARATION OF BENZODIAZEPINE COMPOUNDS

摘要

Benzodiazepines(I) were prepd. by reacting(II) with R5H. In (I) R1, R2, R3, R4 are C1-4 alkyl, C2-4 alkenyl, C1-4 haloalkyl, nitro, C1-4 alkoxy, C1-4 haloalkoxy, C1-4 alkylthio, or phenylsulfonyl; R5 is (III) (R7 is H or C1-6 alkyl; R8 is H or C1-4 alkyl; N is 0 or 1; R6 is H, C1-10 alkyl, C3-7 cycloalkyl, C1-4 alkyl, phenyl or benzyl; Q is separating gp).