申请人:Ciba-Geigy Corporation
公开号:US04808604A1
公开(公告)日:1989-02-28
Novel 4-acylresorcinol ethers of the formula ##STR1## in which R.sub.1 is lower alkyl, alk is a hydroxyalkylene radical which can be interrupted by oxygen and R.sub.2 is 5-tetrazolyl, it being possible for the ring A to be additionally substituted by a lower alkyl, lower alkenyl, lower alkynyl, lower alkoxy and/or halogen and for the ring B to be additionally substituted by lower alkyl, lower alkanoyl, lower alkoxy, lower alkoxycarbonyl, carboxyl, cyano, carbamyl, halogen and/or trifluoromethyl, and salts thereof have antiallergic properties and can be used as active compounds for medicaments. They are prepared by methods known as per se.
该专利描述了一种化合物,分子式为##STR1##,其中R.sub.1为较低的烷基,alk为一个可以被氧中断的羟基烷基基团,R.sub.2为5-四唑基,环A可以额外被较低的烷基、较低的烯基、较低的炔基、较低的烷氧基和/或卤素取代,环B可以额外被较低的烷基、较低的酰基、较低的烷氧基、较低的烷氧羰基、羧基、氰基、氨基、卤素和/或三氟甲基取代,以及其盐具有抗过敏性能,并可用作药物的活性化合物。它们可通过已知的方法制备。