FUSED HETEROAROMATIC CYCLOPENTENE DERIVATIVE HAVING ENDOTHELIN-ANTAGONIST ACTIVITY
申请人:BANYU PHARMACEUTICAL CO., LTD.
公开号:EP0714897A1
公开(公告)日:1996-06-05
A cyclopentene derivative represented by general formula (I) and a pharmaceutically acceptable salt thereof: wherein Ar¹ and Ar² represent each independently phenyl, thienyl, pyridyl, indolyl, benzofuranyl or dihydrobenzofuranyl; A represents a group that is combined with the adjacent carbon-carbon double bond to form a 5-or 6-membered heteroaromatic ring containing one to four heteroatoms selected from the group consisting of nitrogen, oxygen and sulfur; and Y represents -CO-R⁴, SO₃H, PO₃H₂, tetrazol-5-yl, 2-oxo-3H-1,2,3,5-oxathiadiazol-4-yl or 5-oxo-4H-1,2,4-oxadiazol-3-yl.
通式 (I) 所代表的环戊烯衍生物及其药学上可接受的盐:其中 Ar¹ 和 Ar² 各自独立地代表苯基、噻吩基、吡啶基、吲哚基、苯并呋喃基或二氢苯并呋喃基;A 代表一个基团,该基团与相邻的碳碳双键结合形成一个 5 或 6 元杂芳环,该环含有一至四个杂原子,这些杂原子选自由氮、氧和硫组成的组;Y 代表-CO-R⁴、SO₃H、PO₃H₂、四唑-5-基、2-氧代-3H-1,2,3,5-噁二唑-4-基或 5-氧代-4H-1,2,4-噁二唑-3-基。