申请人:Kawaguchi Takayuki
公开号:US20090156803A1
公开(公告)日:2009-06-18
The present invention provides a condensed furan compound of the formula (I):
wherein Ring X is benzene, pyridine, or the like; Y is an optionally substituted amino, an optionally substituted cycloalkyl, an optionally substituted aryl, an optionally substituted saturated heterocyclic group, an optionally substituted unsaturated heterocyclic group; A is a single bond, lower alkylene, lower alkenylidene, lower alkenylene or an oxygen atom; R
3
is hydrogen or the like; and, R
4
is hydrogen, or the like, or pharmaceutically acceptable salts thereof, which is useful as a medicament, particularly, as an activated blood coagulation factor X inhibitor.
本发明提供了一种公式(I)的紧凑呋喃化合物:其中环X为苯、吡啶或类似物;Y为可选取代的氨基、可选取代的环烷基、可选取代的芳基、可选取代的饱和杂环基、可选取代的不饱和杂环基;A为单键、低碳烷基、低碳烯基亚甲基、低碳烯基或氧原子;R3为氢或类似物;R4为氢、类似物或药学上可接受的盐,其作为药物特别是作为激活的血凝血酶X抑制剂非常有用。