申请人:Hattori Tomohisa
公开号:US20050187264A1
公开(公告)日:2005-08-25
This invention relates to a phosphodiesterase IV inhibitor containing as an active ingredient a pyridylacrylamide derivative represented by the following formula (I):
(wherein Ar
1
represents substituted or unsubstituted pyridyl; Ar
2
represents phenyl substituted by alkoxy, etc.; R
1
represents hydrogen, alkyl, or aryl; R
2
represents hydrogen, alkyl, cyano, or alkoxycarbonyl; R
3
represents hydrogen or optionally substituted alkyl; X represents oxygen or sulfur; A and B are the same or different and each independently represents hydrogen, hydroxyl, alkoxy, or alkylthio, or A and B together represent oxo, thioxo, etc., or A may be hydroxyl and B may be 1-alkylimidazol-2-yl; and n is an integer from 1 to 3) or a pharmaceutically acceptable salt thereof.
本发明涉及一种磷酸二酯酶IV抑制剂,其作为活性成分包含以下式(I)所表示的吡啶基丙烯酰胺衍生物:(其中Ar1表示取代或未取代的吡啶基;Ar2表示被烷氧基等取代的苯基;R1表示氢、烷基或芳基;R2表示氢、烷基、氰基或烷氧羰基;R3表示氢或可选择取代的烷基;X表示氧或硫;A和B相同或不同,每个独立地表示氢、羟基、烷氧基或烷基硫,或A和B在一起表示氧代、硫代等,或A可以是羟基,B可以是1-烷基咪唑-2-基;n为1至3的整数)或其药学上可接受的盐。