Compounds represented by general formula (I) or salts thereof, wherein n is an integer of 2 or 3; R represents a straight-chain or branched saturated alkyl group having 4 or 5 carbon atoms, a cyclopentyl group, a cyclohexyl group or the like; Y represents a hydroxyl or amino group; A represents a hydrogen atom, a hydroxyl, methoxy, nitro group or the like; Q represents a hydrogen atom or a hydroxyl or methoxy group. They can be formulated to give pharmaceutical compositions that are effective as prophylactic or therapeutic agents for allergic diseases associated with IgE production inhibitors or IgE antibodies.
由通式(I)代表的化合物或其盐类,其中n为2或3的整数;R代表具有4或5个
碳原子的直链或支链饱和烷基、环戊基、
环己基或类似基团;Y代表羟基或
氨基;A代表
氢原子、羟基、甲
氧基、硝基或类似基团;Q代表
氢原子或羟基或甲
氧基。它们可以配制成药物组合物,作为预防或治疗与 IgE 生成
抑制剂或 IgE
抗体相关的过敏性疾病的有效药物。