/ 2 / (nitropyridinyl) amino / fenyl / arylmetanoner i that foerfarande foer framstaellning av pyrido / 1.4 / benzodiazepiner

摘要

[2-[(Nitropyridinyl)amino]phenyl]arylmethanones as chemical intermediates and/or having antidepressant activity having the formula: IMAGE wherein: B is carbonyl, thioxomethyl, ketal or thioketal, R is hydrogen or -alk1-Q, Q is hydrogen, -NR1R2 or halogen are disclosed in a process for preparing pyrido[1,4]benzodiazepines.