申请人:The Upjohn Company
公开号:US04081452A1
公开(公告)日:1978-03-28
Compounds of the formula: ##STR1## wherein R'.sub.o and R".sub.o are hydrogen or alkyl of 1 to 3 carbon atoms, inclusive; R.sub.1 is hydrogen, fluoro, chloro, bromo, nitro, trifluoromethyl, or alkylthio in which the alkyl moiety is of 1 to 3 carbon atoms, inclusive; R.sub.2 is phenyl, o-chlorophenyl, o-fluorophenyl, 2,6-difluorophenyl and 2-pyridyl are prepared by multistep reactions from compounds of formula I: ##STR2## wherein R.sub.1 and R.sub.2 are defined as above and X is chlorine or bromine. Compounds of formula III, intermediates in the preparation thereof, Schiff's bases of compounds IIIA (III in which R'.sub.o and R".sub.o are hydrogen), and the pharmacologically acceptable acid addition salts are useful in birds and mammals, including man, as sedatives, antianxiety, antidepressant, anticonvulsive, and muscular relaxing agents.
化合物的公式为:##STR1##其中R'.sub.o和R".sub.o是氢或1至3个碳原子的烷基,包括;R.sub.1是氢,氟,氯,溴,硝基,三氟甲基或烷基硫醚,其中烷基基团是1至3个碳原子,包括;R.sub.2是苯基,邻氯苯基,邻氟苯基,2,6-二氟苯基和2-吡啶基,通过从公式I的化合物进行多步反应制备:##STR2##其中R.sub.1和R.sub.2如上所定义,X是氯或溴。公式III的化合物,其制备的中间体,化合物IIIA的席夫碱(其中R'.sub.o和R".sub.o是氢),以及药理学上可接受的酸盐,在鸟类和哺乳动物中,包括人类,作为镇静剂,抗焦虑,抗抑郁,抗惊厥和肌肉松弛剂有用。