Pyrrolo-pyridine, pyrrolo-pyrimidine and related heterocyclic compounds analogues of the formula:
wherein R, R
2
, R
5
, E, Z
1
, Z
3
, Z
4
, and Ar are defined herein. Such compounds are ligands of C5a receptors. Preferred pyrrolo-pyridine, pyrrolo-pyrimidine and related heterocyclic compounds of the invention 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 pyrrolo-pyridine, pyrrolo-pyrimidine and related heterocyclic compounds, which are useful as probes for the localization of C5a receptors.
吡咯并
吡啶、
吡咯并
嘧啶和相关
杂环化合物的类似物的公式为:其中R、R2、R5、E、Z1、Z3、Z4和Ar的定义如下。这些化合物是C5a受体的
配体。本发明所述的优选
吡咯并
吡啶、
吡咯并
嘧啶和相关
杂环化合物以高亲和力结合到C5a受体,并在C5a受体上表现出中性
拮抗剂或反向激动剂活性。本发明还涉及包含这些化合物的制药组合物,以及使用这些化合物治疗各种炎症、心血管和免疫系统疾病的用途。此外,本发明提供了标记的
吡咯并
吡啶、
吡咯并
嘧啶和相关
杂环化合物,这些化合物可用作C5a受体的定位探针。