3-Oxadiazolyl-1,6-naphthyridine derivatives with affinity for benzodiazepine receptors
申请人:DAINIPPON PHARMACEUTICAL CO., LTD.
公开号:EP0588500A2
公开(公告)日:1994-03-23
A 3-Oxadiazolyl-5,6,7,8-tetrahydro-1,6-naphthyridine derivative of the formula (I) :
wherein Het is an oxadiazole ring, R1 is hydrogen atom, an acyl group, a lower alkyl group or a group of the formula: -CH2R1' (in which R1' is a cyclo-lower alkyl group, a lower alkenyl group, a lower alkynyl group, benzyl group, aryl group or a heteroaromatic group), R2 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, is useful as benzodiazepine receptor agonist.
一种式 (I) 的 3-噁二唑基-5,6,7,8-四氢-1,6-萘啶衍生物:
其中 Het 是一个噁二唑环,R1 是氢原子、酰基、低级烷基或式中的一个基团:-R2是低级烷基、环低级烷基、低级烯基、低级炔基、苄基、芳基或杂芳基;R3是低级烷基、环低级烷基、低级烯基、低级炔基、芳基、杂芳基或杂芳基;R4是低级烷基、环低级烷基、低级烯基、低级炔基、芳基、杂芳基或杂芳基;R5是低级烷基、环低级烷基、低级烯基、低级炔基、芳基、杂芳基或杂芳基、卤素-低级烷基、低级烷氧基-低级烷基、低级烷氧基、低级烯氧基、苯氧基或低级烷硫基,或其药学上可接受的酸加成盐,可用作苯并二氮杂卓受体激动剂。