申请人:Synthelabo
公开号:US04650796A1
公开(公告)日:1987-03-17
Compounds which are imidazo[1,2-a]pyridine derivatives of general formula (I) ##STR1## in which each of X.sub.1, X.sub.2, X.sub.3, independently of each other, is hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, methoxy, methylthio, ethylthio, methylsulphonyl, nitro, amino, methylamino, dimethylamino, acetylamino or diacethylamino, Y is hydrogen, chlorine or methyl, R.sub.1 is hydrogen, C.sub.1 -C.sub.4 alkyl or benzyl, R.sub.2 is C.sub.1 -C.sub.6 alkyl, cyclohexyl, trichloromethyl, 1-propenyl, allyl, phenyl, 4-chlorophenyl or benzyl, or R.sub.1 and R.sub.2 together represent a divalent C.sub.3 -C.sub.5 alipathic group and their pharmaceutically acceptable acid salts have anxiolytic, sleep-inducing, hypnotic, anticonvulsant, analgesic and anti-ulcer properties.
通用公式(I)的咪唑[1,2-a]吡啶衍生物化合物,其中X.sub.1、X.sub.2、X.sub.3中的每一个,独立地是氢、卤素、C.sub.1-C.sub.4烷基、甲氧基、甲硫基、乙硫基、甲基磺基、硝基、氨基、甲氨基、二甲氨基、乙酰氨基或二乙酰氨基,Y是氢、氯或甲基,R.sub.1是氢、C.sub.1-C.sub.4烷基或苄基,R.sub.2是C.sub.1-C.sub.6烷基、环己基、三氯甲基、1-丙烯基、烯丙基、苯基、4-氯苯基或苄基,或者R.sub.1和R.sub.2一起代表二价的C.sub.3-C.sub.5脂肪族基团,以及它们的药学上可接受的酸盐具有抗焦虑、催眠、催眠、抗抽搐、镇痛和抗溃疡的性质。