申请人:Tanabe Seiyaku Co., Ltd.
公开号:US04866196A1
公开(公告)日:1989-09-12
Novel phenoxyacetic acid of the formula: ##STR1## wherein Ring A is phenylene group or a phenylene group having 1 to 2 substituent(s) selected from a lower alkyl group, a lower alkoxy group and a halogen atom; either one or two group(s) of R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are a lower alkyl group, and the other groups are hydrogen atom; R.sup.5 is phenyl group or a phenyl group having 1 to 3 substituent(s) selected from a lower alkyl group, a halogen atom a lower alkoxy group and nitro group; and --COOR.sup.6 is carboxyl group or a protected carboxyl group, or a salt thereof are disclosed. Said derivative (I) and a salt thereof have a potent platelet aggregration-inhibiting activity.
本发明涉及一种新的苯氧基乙酸衍生物,其化学式为:##STR1## 其中环A是苯基或具有1至2个取代基(选自较低烷基、较低烷氧基和卤素原子)的苯基;R.sup.1、R.sup.2、R.sup.3和R.sup.4中的一个或两个基团是较低烷基基团,其余基团是氢原子;R.sup.5是苯基或具有1至3个取代基(选自较低烷基、卤素原子、较低烷氧基和硝基)的苯基;以及--COOR.sup.6是羧基或保护羧基,或其盐。该衍生物(I)及其盐具有强效的血小板聚集抑制活性。