The invention relates to compounds of formula (I)
wherein
A is a heteromonocyclic ring selected from furanyl, pirazinyl, pyrimidyl and pyridazinyl which may be unsubstituted or substituted by a substituent chosen from halogen, C₁-C₄ alkyl and CF₃;
R₁ is a) phenyl unsubstituted or substituted by halogen, C₁-C₄ alkyl, C₁-C₄ alkoxy or CF₃; b) cyclohexyl; or c) a straight or branched C₁-C₆ alkyl group;
T is a branched or straight C₃-C₅ alkylene chain;
R₂ is hydrogen or C₁-C₄ alkyl, and the pharmaceutically acceptable salt thereof, which are useful as selective inhibitors of thromboxane A₂ (TxA₂) synthesis and TxA₂ antagonists.
本发明涉及式(I)的化合物,其中A是从
呋喃基,
吡嗪基,
嘧啶基和
吡嗪嗪基中选择的杂环单环,可以是未取代或取代的,所述取代基被选择为卤素,C₁-C₄烷基和CF₃; R₁是a)
苯基未取代或取代的卤素,C₁-C₄烷基,C₁-C₄烷
氧基或CF₃; b)
环己基; 或c)直链或支链C₁-C₆烷基; T是支链或直链C₃-C₅烷基链; R₂是
氢或C₁-C₄烷基,以及其药学上可接受的盐,其作为选择性血栓素A₂(TxA₂)合成
抑制剂和TxA₂
拮抗剂有用。