Tetrazole derivatives represented by the formula are provided.
wherein R is naphthyl or phenyl optionally substituted by phenyl, lower alkyl, halogen, lower alkoxy, hydroxy or acetoxy; X is methylene, dimethylmethylene or oxygen; n is an integer of 0 or 1; and p and r each is an integer of 0 or 1 and q is an integer of 1 or 2 provided that p + q + r = 2; or tautomers thereof in the tetrazole ring; or salts thereof; are useful as TXA2 receptor antagonist.
提供了由式表示的
四唑衍
生物。
其中 R 是
萘基或苯基,任选被苯基、低级烷基、卤素、低级烷氧基、羟基或乙酰氧基取代;X 是亚甲基、二甲基亚甲基或氧;n 是 0 或 1 的整数;p 和 r 分别是 0 或 1 的整数,q 是 1 或 2 的整数,条件是 p + q + r = 2;或其在
四唑环上的同系物;或其盐;可用作 TXA2 受体拮抗剂。