申请人:SANTEN PHARMACEUTICAL CO., LTD.
公开号:EP0467599A1
公开(公告)日:1992-01-22
This invention relates to the compounds of the formula [I] and salts thereof, which are useful for treatment of liver disorders,
wherein
X is oxygen or sulfur;
R¹ is lower alkyl which can be substituted by hydroxy, carboxy or lower alkoxycarbonyl;
R² is hydrogen, lower alkanoyl, phenyl lower alkanoyl or phenyl lower alkyl, and said phenyl ring of phenyl lower alkanoyl or phenyl lower alkyl can be substituted by lower alkyl or lower alkoxy; and
A is straight or branched C₁ - C₆ alkylene.
本发明涉及式[I]化合物及其盐类,可用于治疗肝脏疾病、
其中
X 是氧或硫;
R¹ 是低级烷基,可被羟基、羧基或低级烷氧羰基取代;
R² 是氢、低级烷酰基、苯基低级烷酰基或苯基低级烷基,苯基低级烷酰基或苯基低级烷基的苯基环可被低级烷基或低级烷氧基取代;以及
A 是直链或支链 C₁ - C₆ 亚烷基。