[2-[(Nitropyridinyl)amino]phenyl]arylmethanones as chemical intermediates and/or having antidepressant activity having the formula: ##STR1## wherein; B is carbonyl, thioxomethyl, ketal or thioketal, R is hydrogen or --alk.sup.1 -Q, Q is hydrogen, --NR.sup.1 R.sup.2 or halogen are disclosed in a process for preparing pyrido[1,4]benzodiazepines.
具有
化学中间体和/或抗抑郁活性的[2-[(
硝基吡啶基)
氨基]苯基]芳基甲酮,其
化学式为: ##STR1## 其中; B是羰基,
硫代甲基,
缩醛或
硫缩
缩醛,R是氢或--alk.sup.1 -Q,Q是氢,--NR.sup.1 R.sup.2或卤素,揭示了一种制备
吡啶并[1,4]苯并二氮平的方法。