申请人:——
公开号:US20030216571A1
公开(公告)日:2003-11-20
The present invention is to provide novel tricyclic compounds having leukotriene antagonistic action and represented by the formula:
1
wherein R
1
represents a halogen atom, etc., R
2
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: —OCH
2
—, etc., X represents a sulfur atom, etc., Y represents C
1
-C
10
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.
本发明提供了一种具有白三烯拮抗作用的新颖三环化合物,该化合物由下式表示:
1
其中R
1
代表卤素原子等,R
2
代表硝基等,A代表含1至3个杂原子的5元或6元杂芳环基团,杂原子选自由氮原子、氧原子和硫原子等组成的组,B代表公式:—OCH
2
—等,X代表硫原子等,Y代表C
1
-C
10
的烷基链,该烷基链可作为取代基,Z代表可能被保护的羧基等,
代表单键或双键,
m是1至4的整数,n是1至3的整数,或其药用可接受的盐。