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.
该式中的新型苯氧乙酸:其中环A是苯基或具有1至2个取代基(选择自较低的烷基、较低的烷氧基和卤原子)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的烷基,其余基团为氢原子;R.sup.5是苯基或具有1至3个取代基(选择自较低的烷基、卤原子、较低的烷氧基和硝基)的苯基;--COOR.sup.6是羧基或受保护的羧基,或其盐。所述衍生物(I)及其盐具有强大的抑制血小板聚集活性。