The present invention is concerned with compounds of formula I
wherein A, B, M, R, Ar and Het are as defined in the specification, pharmaceutically acceptable ester and amide derivatives thereof; N-oxides thereof, tetrazole derivatives thereof, and salts thereof. These compounds have valuable pharmacological activities, especially as inhibitors of thromboxane synthetase and as receptor antagonists of thromboxane A₂ and prostaglandin H₂. They are prepared in a manner known per se.
本发明涉及式 I 化合物(其中 A、B、M、R、Ar 和 Het 如说明书中所定义)、其药学上可接受的酯和酰胺衍
生物、其 N-氧化物、其
四唑衍
生物及其盐类。 这些化合物具有重要的药理活性,特别是作为血栓素合成酶的
抑制剂和血栓素 A₂及
前列腺素 H₂的受体拮抗剂。 它们的制备方法本身是已知的。