Preparation and Optimization of a Series of 3-Carboxamido-5-phenacylaminopyrazole Bradykinin B1 Receptor Antagonists
作者:Darren Dressen、Albert W. Garofalo、Jon Hawkinson、Dennis Hom、Jacek Jagodzinski、Jennifer L. Marugg、Martin L. Neitzel、Michael A. Pleiss、Balazs Szoke、Jay S. Tung、David W. G. Wone、Jing Wu、Heather Zhang
DOI:10.1021/jm051292n
日期:2007.10.1
The B1 receptor is an attractive target for the treatment of pain and inflammation. A series of 3-carboxamido5-phenacylamino pyrazole B1 receptor antagonists are described that exhibit good potency against B1 and high selectivity over B2. Initially, N-unsubstituted pyrazoles were studied, but these compounds suffered from extensive glucuronidation in primates. This difficulty could be surmounted by the use of N-substituted pyrazoles. Optimization efforts culminated in compound 41, which has high receptor potency and metabolic stability.