The present invention relates to novel compounds having a xanthine oxidase inhibitory effect and an uricosuric effect and pharmaceutical compositions comprising the same as an active ingredient. That is, the present invention relates nitrogen-containing heterocyclic compounds represented by the following general formula (I):
wherein Y1 represents N or C(R4) ; Y2 represents N or C(R5) ; R4 and R5 independently represent an alkyl group, a hydrogen atom etc. ; one of R1 and R2 represents an optionally substituted aryl group, an alkoxygroup or an optionally substituted heterocyclic group; the other of R1 and R2 represents a haloalkyl group, a cyanogroup, ahalogenatometc.; and R3 represents a 5-tetrazolyl group or a carboxy group, and pharmaceutically acceptable salts thereof, and pharmaceutical compositions comprising the same as an active ingredient.
本发明涉及具有
黄嘌呤氧化酶抑制作用和利尿作用的新型化合物以及将其作为活性成分的药物组合物。也就是说,本发明涉及由以下通式(I)代表的含氮
杂环化合物:
其中 Y1 代表 N 或 C(R4);Y2 代表 N 或 C(R5);R4 和 R5 独立地代表烷基、氢原子等;R1 和 R2 中的一个代表任选取代的芳基、烷氧基或任选取代的杂环基;R1 和 R2 中的另一个代表卤代烷基、
氰基、卤代烃基等。和 R3 代表 5-
四唑基或羧基,以及它们的药学上可接受的盐和包含它们作为活性成分的药物组合物。