The invention provides novel substituted phenylpropionic acid derivatives that bind to the receptor as ligands of human peroxisome proliferator-activated receptor a (PPAR&agr;) 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)
1
[wherein R
1
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, R
2
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, R
3
denotes a lower alkoxy group with carbon atoms of 1 to 3, and the binding mode of A portion denotes —CH
2
CONH—, —NHCOCH
2
—, —CH
2
CH
2
CO—, —CH
2
CH
2
CH
2
—, —CH
2
CH
2
O—, —CONHCH
2
—, —CH2NHCH
2
—, —COCH
2
O—, —OCH
2
CO—, —COCH
2
NH— or —CHCH
2
CO—], their pharmaceutically acceptable salts and their hydrates, and processes for preparing them.
该发明提供了新型取代
苯丙酸衍
生物,它们作为人类
过氧化物酶体增殖物激活受体α(
PPARα)的
配体结合,激活并表现出强效的降脂作用,并提供了制备它们的方法。它涉及由通式(1)1表示的取代
苯丙酸衍
生物,其中R1表示具有1至4个碳原子的较低烷基基团,具有1至3个碳原子的较低烷氧基团,三
氟甲基基团,三
氟甲氧基团,苯基(未取代或可能具有取代基团),苯氧基(未取代或可能具有取代基团)或苄氧基(未取代或可能具有取代基团),R2表示氢原子,具有1至4个碳原子的较低烷基基团或具有1至3个碳原子的较低烷氧基团,R3表示具有1至3个碳原子的较低烷氧基团,A部分的结合模式表示为—CH2CONH—,—NHCOCH2—,—CH2CH2CO—,—CH2CH2CH2—,—CH2CH2O—,—CONHCH2—,—CH2NHCH2—,—COCH2O—,—OCH2CO—,—COCH2NH—或—CHCH2CO—,它们的药学上可接受的盐和
水合物,以及制备它们的方法。