申请人:Shionogi & Co., Ltd.
公开号:US06218427B1
公开(公告)日:2001-04-17
The present invention provides a compound of the formula (I):
wherein R1, R2, R3 and R4 are each independently hydrogen, optionally substituted alkyl, hydroxy, optionally substituted alkoxy or the like, R5 is optionally substituted alkyl, optionally substituted aryl, optionally substituted heterocyclic or the like, R6 is hydrogen, optionally substituted alkyl or the like, R7 is hydrogen, optionally substituted alkyl, optionally substituted alkoxy, optionally substituted aryl, optionally substituted heterocyclic or the like, A is S or O and a broken line represents presence or absence of a bond,
pharmaceutically acceptable salt or hydrate thereof and a pharmaceutical composition or a pharmaceutical composition for use as an endothelin receptor antagonist, a peripheral circulation insufficiency-improving agent or a macrophage foam cell formation inhibitor comprising the compound.
本发明提供了一种化合物,其化学式为(I):
其中R1、R2、R3和R4分别独立地为氢、可选择取代的烷基、羟基、可选择取代的烷氧基或类似物,R5为可选择取代的烷基、可选择取代的芳基、可选择取代的杂环基或类似物,R6为氢、可选择取代的烷基或类似物,R7为氢、可选择取代的烷基、可选择取代的烷氧基、可选择取代的芳基、可选择取代的杂环基或类似物,A为S或O,虚线表示键的存在或缺失,以及其药学上可接受的盐或水合物,以及包含该化合物的用作内皮素受体拮抗剂、外周循环不足改善剂或巨噬细胞泡沫细胞形成抑制剂的药物组合物或药物组合物。