申请人:THE WELLCOME FOUNDATION LIMITED
公开号:EP0117302A2
公开(公告)日:1984-09-05
Compounds of the formula (I):
or salts, esters or amides, thereof, wherein R, is a C1-7 bivalent hydrocarbon group or a single bond; R2 and R3 are I 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, C1-4 alkoxy, C1-4 alkyl optionally substituted by one to three halogen atoms; or a group R, CO2H as hereinbefore defined and A is C1-4 alkylene or ANR2R3 forms a group
anti-allergic and anti-histaminic activity. Processes for preparing these compounds, novel intermediates in their preparation, pharmaceutical compositions containing the compounds, and the compounds for use in medicine are also described.
式(I)化合物:
或其盐、酯或酰胺,其中 R,是 C1-7 二价烃基或单键;R2 和 R3 是 I 相同或不同,并且各自是氢、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、C1-4 烷氧基、任选被一至三个卤素原子取代的 C1-4 烷基;或前面定义的基团 R、CO2H 和 A 是 C1-4 亚烷基或 ANR2R3 组成的基团。
抗过敏和抗组胺活性。此外,还描述了制备这些化合物的工艺、制备这些化合物的新型中间体、含有这些化合物的药物组合物以及这些化合物的医药用途。