Sulfonylamino substituted bicyclyl hydroxamic acid derivatives of the formula:
wherein R¹ and R² each is hydrogen or lower alkyl; R³ is hydrogen, lower alkyl, lower alkoxy, hydroxy or halogen; X is alkylene or alkenylene; Y is methylene or oxygen; and n is 0, 1, or 2 or the pharmaceutically acceptable salt thereof. These compounds have an advanced antagonistic activity to thromboxane A₂ (TXA₂)-receptor and are useful for the treatment of thrombosis, vasoconstriction, or bronchoconstriction, and the like disease which are induced by TXA₂.
式中磺酰胺取代的
双烯丙基羟
肟酸衍
生物:
其中 R¹ 和 R² 均为氢或低级烷基;R³ 为氢、低级烷基、低级烷氧基、羟基或卤素;X 为亚烷基或烯基;Y 为亚甲基或氧;n 为 0、1 或 2 或其药学上可接受的盐。这些化合物对血栓素 A₂(TXA₂)受体具有高级拮抗活性,可用于治疗由 TXA₂诱导的血栓形成、血管收缩或支气管收缩等疾病。