申请人:Okada Minoru
公开号:US20090221586A1
公开(公告)日:2009-09-03
The present invention provides a oxazole compound represented by Formula (1), or a salt thereof:
wherein R
1
is an aryl group which may have one or more substituents; R
2
is an aryl group or a nitrogen atom-containing heterocyclic group each of which may have one or more substituents; and W is a divalent group represented by —Y
1
-A
1
- or —Y
2
—C(═O)— wherein Y
1
is a group such as —C(═O)—, A
1
is a group such as a lower alkylene group, and Y
2
is a group such as a piperazinediyl group. The oxazole compound has a specific inhibitory action against phosphodiesterase 4.
本发明提供了一种由公式(1)表示的噁唑化合物或其盐:其中,R1是一个芳基基团,可以具有一个或多个取代基;R2是一个芳基基团或含有氮原子的杂环基团,每个基团都可以具有一个或多个取代基;W是一个由—Y1-A1-或—Y2—C(═O)—表示的二价基团,其中Y1是例如—C(═O)—的基团,A1是例如低碳链基团的基团,而Y2是例如哌嗪二基基团的基团。该噁唑化合物具有特定的磷酸二酯酶4的抑制作用。