申请人:Santen Pharmaceutical Co., Ltd.
公开号:US06268511B1
公开(公告)日:2001-07-31
An itaconic acid derivative having the following formulas (1) or (2):
wherein R1 represents a hydrogen atom, a lower alkyl group or a phenyl lower alkyl group, wherein the phenyl ring of the phenyl lower alkyl group is unsubstituted or substituted by at least one lower alkyl group, R2 represents a hydrogen atom or a lower alkyl group and A represents a lower alkylene group, or salts thereof. Copolymers can be made from the itaconic acid derivatives.
具有以下公式(1)或(2)的丙烯酸衍生物:其中R1表示氢原子,较低的烷基或苯基较低的烷基,其中苯环的苯基较低的烷基是未取代的或被至少一个较低的烷基取代的;R2表示氢原子或较低的烷基;A表示较低的亚烷基,或其盐。可以从丙烯酸衍生物制备共聚物。