The present invention relates to novel heterocyclic compounds having the general formula (1) ##STR1## wherein: X.sub.1 and X.sub.2 are independently O, S or Se; Y.sub.1 and Y.sub.2 are independently C or N with the proviso that at least one of Y.sub.1 and Y.sub.2 is N; Y.sub.3 and Y.sub.4 are independently C or N with the proviso that at least one of Y.sub.3 and Y.sub.4 is N; R.sub.1 and R.sub.2 each represent one or more groups independently selected from H, lower alkyl, lower alkoxy-lower alkyl, hydroxy-lower alkyl, lower acyloxy-lower alkyl or CF.sub.3 ; and A is ##STR2## geometrical and optical isomers and racemates thereof where such isomers exist, as well as pharmaceutically acceptable acid addition salts thereof and solvates thereof; having therapeutic activity, processes and intermediates for their preparation, pharmaceutical formulations containing said compounds and the medicinal use of said compounds.
本发明涉及具有通式(1)的新型
杂环化合物:
其中:X1和X2独立地为O、S或Se;Y1和Y2独立地为C或N,但至少其中一个为N;Y3和Y4独立地为C或N,但至少其中一个为N;R1和R2各自表示从H、低烷基、低烷氧基-低烷基、羟基-低烷基、低酰氧基-低烷基或
CF3中独立选择的一个或多个基团;A为
其中如存在这样的异构体,则包括其几何和光学异构体和外消旋体,以及其药学上可接受的酸盐和溶剂化物;具有治疗活性,制备它们的过程和中间体,含有所述化合物的制药组合物以及所述化合物的药用。