申请人:KYORIN PHARMACEUTICAL CO., LTD.
公开号:EP1285908A1
公开(公告)日:2003-02-26
The invention provides novel substituted phenylpropionic acid derivatives that bind to the receptor as ligands of human peroxisome proliferator-activated receptor α (PPARα) to activate and exhibit potent lipid-decreasing action, and processes for preparing them.
It relates to substituted phenylpropionic acid derivatives represented by a general formula (1)
[wherein R1 denotes a lower alkyl group with carbon atoms of 1 to 4, lower alkoxy group with carbon atoms of 1 to 3, trifluoromethyl group, trifluoromethoxy group, phenyl group which is unsubstituted or may have substituents, phenoxy group which is unsubstituted or may have substituents or benzyloxy group which is unsubstituted or may have substituents, R2 denotes a hydrogen atom, lower alkyl group with carbon atoms of 1 to 4 or lower alkoxy group with carbon atoms of 1 to 3, R3 denotes a lower alkoxy group with carbon atoms of 1 to 3, and the binding mode of A portion denotes -CH2CONH-, -NHCOCH2-, -CH2CH2CO-, -CH2CH2CH2-, -CH2CH2O-, -CONHCH2-, -CH2NHCH2-, -COCH2O-, -OCH2CO-, -COCH2NH- or -NHCH2CO-], their pharmaceutically acceptable salts and their hydrates, and processes for preparing them.
本发明提供了新型取代的苯基丙酸衍生物,这些衍生物作为人类过氧化物酶体增殖激活受体α(PPARα)的配体与受体结合,从而激活并表现出强效的降脂作用,本发明还提供了制备这些衍生物的工艺。
它涉及通式(1)所代表的取代苯丙酸衍生物
[其中 R1 表示碳原子数为 1 至 4 的低级烷基、碳原子数为 1 至 3 的低级烷氧基、三氟甲基、三氟甲氧基、未取代或可能有取代基的苯基、未取代或可能有取代基的苯氧基或未取代或可能有取代基的苄氧基,R2 表示氢原子、R2表示氢原子、碳原子数为 1 至 4 的低级烷基或碳原子数为 1 至 3 的低级烷氧基,R3 表示碳原子数为 1 至 3 的低级烷氧基,A 部分的结合方式表示-CH2CONH-、-NHCOCH2-、-CH2CH2CO-、-CH2CH2CH2-、-CH2CH2O-、-CONHCH2-、-CH2NHCH2-、-COCH2O-、-OCH2CO-、-COCH2NH-或-NHCH2CO-],它们的药学上可接受的盐和它们的水合物,以及制备它们的工艺。