Benzamide derivatives having a vasopressin antagonistic activity
申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US06207693B1
公开(公告)日:2001-03-27
This invention relates to new benzamide derivatives having a vasopressin antagonistic activity, etc. and represented by general formula (I):
wherein R1 is aryl optionally substituted with lower alkoxy, etc.,
R2 is lower alkyl, etc.,
R3 is hydrogen, etc.,
A is NH, etc.,
E is
etc.,
X is —CH═CH—, —CH═N—, or S, and
Y is a condensed heterocyclic group, etc.,
and pharmaceutically acceptable salts thereof, to processes for preparation thereof and to a pharmaceutical composition comprising the same.
The present invention provides compounds that demonstrate protective effects on target cells from HIV infection in a manner as to bind to chemokine receptor, and which affect the binding of the natural ligand or chemokine to a receptor such as CXCR4 of a target cell.