Disclosed are the compounds of formula ##STR1## wherein A represents lower alkylene; B represents oxygen, sulfur, lower alkylene, lower alkylene interrupted by oxygen, sulfur, sulfinyl or sulfonyl, (oxy-, sulfinyl-, sulfonyl- or thio)-lower alkylene, lower alkenylene, phenylene or a direct bond; M represents lower alkylene, lower alkylene interrupted by oxygen, sulfur, sulfinyl or sulfonyl, (oxy-, sulfinyl, sulfonyl- or thio)-lower alkylene, lower alkenylene or a direct bond; or one of A, B and M represents lower alkylidenylene and the other two independently represent lower alkylene; R represents hydrogen unless A, B or M represents lower alkylidenylene in which case R represents the second bond to the adjacent aklylidenylene unsaturated carbon atom; Het represents 1-imidazolyl, 3-pyridyl, or 1-imidazolyl or 3-pyridyl substituted by lower alkyl; Ar represents carbocyclic or heterocyclic aryl; pharmaceutically acceptable ester and amide derivatives thereof; the N-oxides of said compounds wherein Het represents optionally substituted pyridyl; the said compounds of formula I wherein COOH is replaced by 5-tetrazolyl; and the pharmaceutically acceptable salts; which are useful as thromboxane synthetase inhibitors and thromboxane receptor antagonists.
揭示了以下式的化合物##STR1##其中A代表较低的烷基; B代表氧、
硫、较低的烷基、被氧、
硫、亚砜或磺酰中断的较低的烷基、(氧基、亚砜基、磺酰基或
硫基)-较低的烷基、较低的烯基、苯基或直接键; M代表较低的烷基、被氧、
硫、亚砜或磺酰中断的较低的烷基、(氧基、亚砜基、磺酰基或
硫基)-较低的烷基、较低的烯基或直接键; 或者A、B和M中的一个代表较低的烷基亚烯基,另外两个独立地代表较低的烷基; R代表氢,除非A、B或M代表较低的烷基亚烯基,在这种情况下R代表相邻烷基亚烯基不饱和碳原子的第二键; Het代表1-
咪唑基、3-
吡啶基,或者被较低烷基取代的1-
咪唑基或3-
吡啶基; Ar代表碳环或杂环芳基; 其药学上可接受的酯和酰胺衍
生物; 其中Het代表可选择取代的
吡啶基的N-氧化物; 公式I中COOH被5-
四唑基取代的所述化合物; 和药学上可接受的盐; 这些化合物可用作血栓素合酶
抑制剂和血栓素受体拮抗剂。