申请人:Toyo Boseki Kabushiki Kaisha
公开号:EP0243817A1
公开(公告)日:1987-11-04
Novel pyrimidine compounds of the formula:
wherein R₁ and R₁ʹ are each hydrogen atom, a lower alkyl, benzyl, an alkali metal, or ammonium; R₂ is hydrogen atom, a halogen atom, a lower alkyl, a lower alkoxy, an aryl, a group of the formula:
(wherein R₃ and R₄ are each hydrogen atom, a lower alkyl, or an aryl), or a group of the formula:
[wherein R₅ and R₆ are each an alkylene having 1 to 3 carbon atoms, and X is oxygen atom, methylene, or a group of the formula:
(wherein Y is hydrogen atom, a lower alkyl, benzyl, or an aryl)], which have excellent antiallergic activities and are useful for the prophylaxis and treatment of various allergic diseases, and a pharmaceutical composition containing said pyrimidine compound as an active ingredient.
式中的新型嘧啶化合物:
其中R₁和R₁ʹ各自是氢原子、低级烷基、苄基、碱金属或铵;R₂是氢原子、卤素原子、低级烷基、低级烷氧基、芳基、式中的基团:
(其中 R₃ 和 R₄ 各为氢原子、低级烷基或芳基)或式中的基团:
[其中 R₅ 和 R₆ 各为具有 1 至 3 个碳原子的亚烷基,X 为氧原子、亚甲基或式中的基团:
(其中 Y 为氢原子、低级烷基、苄基或芳基)],它们具有优异的抗过敏活性,可用于预防和治疗各种过敏性疾病,以及一种含有所述嘧啶化合物作为活性成分的药物组合物。