Intermediates of the formula IV: ##STR1## wherein R is selected from the group consisting of hydrogen and alkyl of 1 to 3 carbon atoms, inclusive; and wherein R.sub.2, R.sub.3, and R.sub.4 are selected from the group consisting of hydrogen, fluoro, chloro, bromo, nitro, and trifluoromethyl are produced by a multistep synthesis. The final compounds are tranquilizers and sedatives and can be used in mammals, including man, and in birds.
公式IV的中间体:##STR1##其中R从氢和1到3个碳原子的烷基中选择;R.sub.2、R.sub.3和R.sub.4从氢、
氟、
氯、
溴、硝基和三
氟甲基中选择,通过多步合成制备。最终化合物是镇静剂和镇静剂,可用于哺乳动物,包括人类,以及鸟类。