A nitrogenous tricyclic compound represented by general formula (I), a salt and a solvate thereof, and a solvate of a salt thereof, each inhibiting the production of an IgE antibody and being useful as a prophylactic and/or a therapeutic agent for allergic diseases, wherein R represents halogen, linear or branched C₁-C₁₀ alkyl which may be substituted by one or more halogen atoms, or phenyl or napthyl each of which may be substituted by 1 to 5 specified groups; Y represents hydrogen and Z represents hydrogen, hydroxy or a specified group, or alternatively Y and Z may be combined together to represent hydrazono or hydroximino each of which may be substituted by a specified group, or a specified group; and X¹-X² ∼ C ∼ X³ represents CH-N-C=C or N-C=C-N, provided that when it is N-C=C-N, then Y and Z are neither hydroximino nor oxygen.
一种由通式(I)代表的含氮
三环化合物、其盐和溶解物以及其盐的溶解物,各自抑制 IgE
抗体的产生,可用作过敏性疾病的预防剂和/或治疗剂,其中 R 代表卤素、可被一个或多个卤素原子取代的直链或支链 C₁-C₁₀烷基、或苯基或
萘基,各自可被 1 至 5 个特定基团取代;Y 代表氢,Z 代表氢、羟基或特定基团,或者 Y 和 Z 组合在一起代表
肼基或羟亚
氨基,其中每个基团可被一个特定基团或一个特定基团取代;以及 X¹-X² ∼ C ∼ X³ 代表 CH-N-C=C 或 N-C=C-N,条件是当其为 N-C=C-N 时,Y 和 Z 既不是羟亚
氨基也不是氧。