申请人:TAIHO PHARMACEUTICAL CO., LTD.
公开号:EP0645387A1
公开(公告)日:1995-03-29
A thiazolidine derivative represented by general formula (1), a salt thereof, a process for producing the same, a pharmaceutical composition containing the same as the active ingredient, and a method of treating diabetes by administering the same, wherein R¹, R² and R³ represent each independently hydrogen, halogen, optionally halogenated lower alkyl or lower alkoxy, hydroxy, nitro, amino, lower acylamino, mono- or di(lower alkyl)amino, carboxy, lower alkoxycarbonyl, cyano, 2-oxazolyl, thiazolidine-2,4-dione-5-ylidenemethyl or thiazolidine-2,4-dione-5-ylmethyl, provided R¹ and R² may be combined together to form an alkylene chain -(CH₂)p- (where p represents 3, 4 or 5) or an alkylenedioxy chain -O(CH₂)qO- (where q represents 1, 2 or 3) to thereby represent a ring; R⁴ and R⁵ represent each independently hydrogen or lower alkyl; X represents carbon or nitrogen; Y represents oxygen or imino; A and B represent each lower alkylene; m represents a number of 0 or 1; and the broken line indicates that there may be a double bond. This compound is excellent in the effect of lowering blood sugar and lipid levels, can well be absorbed in the living organism and retain its effect therein for long, can well be excreted, and is lowly toxic for the human body.
一种由通式(1)代表的
噻唑烷衍
生物、其盐、生产该衍
生物的工艺、含有该衍
生物作为活性成分的药物组合物以及通过施用该衍
生物治疗糖尿病的方法,其中R¹、R²和R³各自独立地代表
氢、卤素、任选卤化的低级烷基或低级烷
氧基、羟基、硝基、
氨基、低级酰
氨基、单或双(低级烷基)
氨基、羧基、低级烷
氧基羰基、
氰基、2-
恶唑基、
噻唑烷-
2,4-二
酮-5-亚基
甲基或
噻唑烷-
2,4-二
酮-5-亚基
甲基、条件是 R¹ 和 R² 可以组合在一起形成亚烷基链-(CH₂)p-(其中 p 代表 3、4 或 5)或亚烷基二
氧基链-O(CH₂)qO-(其中 q 代表 1、2 或 3),从而代表一个环;R⁴ 和 R⁵ 分别独立地代表
氢或低级烷基;X 代表
碳或
氮;Y 代表
氧或
亚胺;A 和 B 分别代表低级亚烷基;m 代表 0 或 1;断线表示可能存在双键。该化合物降血糖、降血脂效果极佳,在
生物体内吸收好,作用时间长,排泄好,对人体毒性小。