Novel 9-phenyl 5,6-dimethyl-nona-2,4,6,8-tetraenoic acid,-tetraenal or tetraenol derivatives useful as anti-tumor agents.
新型9-苯基5,6-二甲基-2,4,6,8-辛四烯酸、四烯醛或四烯醇衍生物可用作抗肿瘤剂。
3-SUBSTITUTED-6-ARYL PYRIDINES
申请人:Hutchinson Alan J.
公开号:US20110281837A1
公开(公告)日:2011-11-17
3-substituted-6-aryl pyridines of Formula I are provided:
wherein R
1
, R
2
, R
3
, R
8
, R
9
, A and Ar are defined herein. Such compounds are ligands of C5a receptors. Preferred compounds of Formula I bind to C5a receptors with high affinity and exhibit neutral antagonist or inverse agonist activity at C5a receptors. The present invention also relates to pharmaceutical compositions comprising such compounds, and to the use of such compounds in treating a variety of inflammatory, cardiovascular, and immune system disorders. In addition, the present invention provides labeled 3-substituted-6-aryl pyridines, which are useful as probes for the localization of C5a receptors.