申请人:Grelan Pharmaceutical Co., Ltd.
公开号:EP1403270A1
公开(公告)日:2004-03-31
The purpose is to provide selective PDE IV inhibitors which have a potent anti-asthmatic profile with excellent safety. A compound of the formula (1):
wherein A is methylene, lower alkylmethylene, carbonyl, etc., Y is a 5- or 6-membered heteroaryl group containing one or two heteroatoms selected from nitrogen, sulfur and oxygen, Z is i) a fused ring in which any of 5- or 6-membered heteroaryl groups is fused to a benzene ring, or ii) a phenyl group which may be unsubstituted or optionally substituted with one or more members selected from the group consisting of nitro, amino, an amino nitrogen-containing group, etc., provided that when A is methylene, Y is a 5- or 6-membered heteroaryl group selected from the group consisting of pyrrolyl, pyridyl, etc., and Z is a phenyl group which may be unsubstituted or substituted, the substituent on said phenyl group is amino, or an amino nitrogen-containing group; or a pharmaceutically acceptable salt thereof, possesses excellent PDE IV inhibition and is useful as a pharmaceutical drug, preferably an anti-asthmatic, etc.
目的是提供选择性 PDE IV 抑制剂,这种抑制剂具有强效的抗哮喘特性和极佳的安全性。一种式(1)的化合物:
其中 A 是亚甲基、低级烷基亚甲基、羰基等;Y 是 5 或 6 元杂芳基,含有一个或两个选自氮、硫和氧的杂原子;Z 是 i) 融合环,其中任何 5 或 6 元杂芳基与苯环融合;或 ii) 苯基,可以是未取代的,也可以是被一个或多个选自硝基、氨基、含氮氨基等组成的组的成员任选取代的、条件是当 A 为亚甲基,Y 为选自吡咯基、吡啶基等组成的组的 5 或 6 元杂芳基,Z 为未取代或取代的苯基时,所述苯基上的取代基为氨基或含氮氨基;或其药学上可接受的盐,具有优异的 PDE IV 抑制作用,可用作药物,最好是抗哮喘药物等。