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.