Novel succinimide derivatives of formula I!: ##STR1## wherein Ring A is tri-lower alkoxyphenyl, R.sup.1 and R.sup.2 combine each other to form a group of the formula: >N--R.sup.3 or one of R.sup.1 and R.sup.2 is lower alkoxy, and the other is group of the formula: --NHR.sup.3, in which R.sup.3 is hydrogen, substituted or unsubstituted lower alkyl, substituted or unsubstituted lower alkoxy, substituted or unsubstituted amino, hydroxy or pyridylcarbonyl, or salts thereof, these compounds have excellent antithrombotic activity and are useful as antithrombotic drug, or synthetic intermediate for preparing other antithrombotic drug.
化合物I的新型琥珀
酰亚胺衍
生物:##STR1## 其中环A为三个低烷氧基苯基,R.sup.1和R.sup.2结合形成公式:>N--R.sup.3的基团,或者R.sup.1和R.sup.2中的一个是低烷氧基,另一个是公式:--NHR.sup.3的基团,其中R.sup.3为氢、取代或未取代的低烷基、取代或未取代的低烷氧基、取代或未取代的
氨基、羟基或
吡啶基羰基,或其盐。这些化合物具有出色的抗血栓活性,可用作抗血栓药物或用于制备其他抗血栓药物的合成中间体。