申请人:Ube Industries, Ltd.
公开号:EP1254897A1
公开(公告)日:2002-11-06
The present invention is to provide novel tricyclic compounds having leukotriene antagonistic action and represented by the formula:
wherein R1 represents a halogen atom, etc., R2 represents a nitro group, etc., A represents a 5-membered or a 6-membered heteroaromatic ring group containing 1 to 3 hetero atoms selected from the group consisting of a nitrogen atom, an oxygen atom and a sulfur atom, etc., B represents a formula: -OCH2-, etc., X represents a sulfur atom, etc., Y represents C1-C10 alkylene group which may have a halogen atom, etc. as a substituent(s), Z represents a carboxyl group whic may be protected, etc., ------ represents a single bond or a double bond,
m is an integer of 1 to 4, n is an integer of 1 to 3,
or a pharmaceutically acceptable salt thereof.
本发明旨在提供具有白三烯拮抗作用并由式表示的新型三环化合物:
其中R1代表卤原子等,R2代表硝基等,A代表5元或6元杂芳环基团,其中含有1至3个选自氮原子、氧原子和硫原子等组成的杂原子,B代表式:X代表硫原子等,Y代表C1-C10亚烷基,可带有卤素原子等作为取代基,Z代表可被保护的羧基等,------ 代表单键或双键、
m 是 1 到 4 的整数,n 是 1 到 3 的整数、
或其药学上可接受的盐。