Novel benzo [5,6] cyclohepta [1,2-b] pyridine derivatives and antiallergic agents comprising same
申请人:SS PHARMACEUTICAL CO., LTD.
公开号:EP0495484A1
公开(公告)日:1992-07-22
Benzo[5,6]cyclohepta[1,2-b]pyridine derivatives of the following formula:
wherein R¹ represents a cyano, carbamoyl, alkylsulfoxy, alkylsulfonyl, tetrazolyl or sulfonic acid group, and R² represents a hydrogen atom, a cyano, phenyl, aralkyl, alkoxycarbonylalkyl, aminoalkylcarbamoylalkyl or lower alkyl group, or a group
or -X-R₄, X being an oxygen or sulfur atom, R³ standing for a hydrogen atom or a substituted or unsubstituted lower alkyl, phenyl or aralkyl group, and R⁴ being a substituted or unsubstituted lower alkyl, phenyl or aralkyl group or an aminoalkyl group, and salts thereof. Antiallergic and antihistamic agents containing one of the above derivatives or salts as an active ingredient are also described.
以下是Benzo[5,6]cyclohepta[1,2-b]pyridine衍
生物的
化学式:其中R¹代表
氰基,
氨基甲酰基,烷基
磺酸氧基,烷基磺酰基,
四氮唑基或
磺酸基团,R²代表氢原子,
氰基,苯基,芳基烷基,烷氧羰基烷基,
氨基烷基甲酰基烷基或低碳基团,或-X-R₄的基团,其中X代表氧或
硫原子,R³代表氢原子或取代或未取代的低碳基,苯基或芳基烷基团,R⁴代表取代或未取代的低碳基,苯基或芳基烷基团或
氨基烷基团,以及其盐。还描述了含有上述衍
生物或盐作为活性成分的抗过敏和
抗组胺药物。