compounds of the formula ii : ## str1 ## wherein r is cyclopropyl , cyclopropylmethyl , or allyl ; wherein r &# 39 ;, r &# 34 ;, and r 1 are hydrogen or alkyl of 1 to 3 carbon atoms inclusive ; and wherein r 2 , r 3 , and r 4 are hydrogen , alkyl as defined above , fluoro , chloro , bromo , nitro , trifluoromethyl , or alkylthio in which alkyl is defined as above , are prepared by reacting a compound of the formula i . ## str2 ## wherein r &# 34 ;, r 1 , r 2 , r 3 , and r 4 are defined as above , and wherein x is chlorine or bromine , with an amine of the formula ## str3 ## wherein r and r &# 39 ; are defined as above . the compounds of formula ii and the pharmacologically acceptable acid salts thereof have tranquilizing , sedative , antianxiety , and anticonvulsant activity and can be used in animals and birds .