申请人:THE WELLCOME FOUNDATION LIMITED
公开号:EP0085959A2
公开(公告)日:1983-08-17
Compounds of the formula (I):
or salts, esters or amides thereof; wherein R, is a C1-7 bivalent aliphatic hydrocarbon group or a single bond; R2 and R3 are the same or different and are each hydrogen, C1-4 alkyl or taken together with the nitrogen comprise a nitrogen-containing heterocyclic ring having four to six ring members; R4 is hydrogen, halogen, hydroxy, cyano, C1-4 acyloxy, C1-4 alkoxy or C1-4 alkyl optionally substituted by one to three halogen atoms, X is -N= or -CH=; and A and B each represents hydrogen atoms or -CA-CB= represents -C=C- are useful in the symptomatic treatment of allergic conditions. Processes for preparing the compounds, intermediates useful in their preparation, pharmaceutical compositions containing them and their use in the symptomatic treatment of allergic conditions are also described.
式(I)化合物:
或其盐、酯或酰胺;其中 R,是 C1-7 二价脂肪族烃基或单键;R2 和 R3 相同或不同,各自是氢、C1-4 烷基或与氮一起组成具有四至六个环成员的含氮杂环;R4是氢、卤素、羟基、氰基、C1-4酰氧基、C1-4烷氧基或任选被一至三个卤素原子取代的C1-4烷基,X是-N=或-CH=;A和B各自代表氢原子或-CA-CB=代表-C=C-,可用于过敏症的对症治疗。此外,还描述了制备这些化合物的工艺、用于制备这些化合物的中间体、含有这些化合物的药物组合物以及它们在对症治疗过敏性疾病中的用途。