申请人:Dainippon Pharmaceutical Co., Ltd.
公开号:US05424434A1
公开(公告)日:1995-06-13
3-Oxadiazolyl-5,6,7,8-tetrahydro-1,6-naphthyridine derivative of the formula (I): ##STR1## wherein Het is an oxadiazole ring, R.sub.1 is hydrogen atom, an acyl group, a lower alkyl group or a group of the formula: --CH.sub.2 R.sub.1 ' (in which R.sub.1 ' is a cyclo-lower alkyl group, a lower alkenyl group, a lower alkynyl group, benzyl group, aryl group or a heteroaromatic group), R.sub.2 is a lower alkyl group, a cyclo-lower alkyl group, a lower alkenyl group, a lower alkynyl group, aryl group, a heteroaromatic group, a halogeno-lower alkyl group, a lower alkoxy-lower alkyl group, a lower alkoxy group, a lower alkenyloxy group, a phenoxy group or a lower alkylthio group, or a pharmaceutically acceptable acid addition salt thereof, which are useful as benzodiazepine receptor agonist.
化合物(I)为3-Oxadiazolyl-5,6,7,8-tetrahydro-1,6-naphthyridine衍
生物,其中Het为氧代二唑环,R1为氢原子、酰基、低碳基或公式--CH2R1'的基团(其中R1'为环状低碳基、低烯基基团、低炔基基团、苄基、芳基或杂环芳基基团),R2为低碳基、环状低碳基、低烯基基团、低炔基基团、芳基、杂环芳基、卤代低碳基、低烷氧基低碳基、低烷氧基、低烯氧基、苯氧基或低
硫基,或其药学上可接受的酸盐,可用作苯二氮平受体激动剂。