申请人:Nippon Chemiphar Co., Ltd.
公开号:US04433152A1
公开(公告)日:1984-02-21
A compound of the formula, ##STR1## wherein R represents a hydrogen atom, a naphthyl, indanyl, tetrahydronaphthyl or pyridyl group, or a phenyl group which may have 1 to 3 substituents selected from the group consisting of a halogen atom, and an alkyl, alkenyl, alkoxy, alkanoyl, cyano, formyl, trifluoromethyl, phenyl, phenylalkyl, alkanoyl-amino, aminosulfonyl, carboxyl, alkoxycarbonyl, benzyloxycarbonyl, benzoylvinyl, phenylvinylcarbonyl, carboxyvinyl, and diphenyl-methyloxycarobnylvinyl group, A represents an oxygen or sulfur atom, and n represents an integer of 0 to 3, with the proviso that when n is an integer of 0, R must not be a hydrogen atom, or a pharmaceutically acceptable salt thereof is effectively useful for inhibiting a complement reaction, inflammation caused by an allergic reaction, and platelet aggregation.
式(I)化合物,其中R代表氢原子、萘基、茚满基、四氢萘基或吡啶基团,或可带有1至3个选自卤素原子以及烷基、烯基、烷氧基、烷酰基、氰基、甲酰基、三氟甲基、苯基、苯基烷基、烷酰氨基、氨基磺酰基、羧基、烷氧羰基、苄氧羰基、苯甲酰乙烯基、苯乙烯基羰基、羧乙烯基和二苯甲氧羰基乙烯基团之一的取代基的苯基团;A代表氧或硫原子;n代表0至3的整数,但当n为0时,R不得为氢原子;以及其药学上可接受的盐,对于抑制补体反应、由过敏反应引起的炎症以及血小板聚集具有显著效用。