Discovery of imidazo[1,2-b]pyridazines as IKKβ inhibitors. Part 3: Exploration of effective compounds in arthritis models
作者:Hiroki Shimizu、Tomonori Yamasaki、Yoshiyuki Yoneda、Fumihito Muro、Tomoaki Hamada、Takanori Yasukochi、Shinji Tanaka、Tadashi Toki、Mika Yokoyama、Kaoru Morishita、Shin Iimura
DOI:10.1016/j.bmcl.2011.05.115
日期:2011.8
We have discovered imidazo[1,2-b]pyridazine derivatives that show suppressive activity of inflammation in arthritis models. We optimized the substructures of imidazo[1,2-b] pyridazine derivatives to combine potent IKK beta inhibitory activity, TNF alpha inhibitory activity in vivo and excellent pharmacokinetics. The compound we have acquired, which had both potent activities and good pharmacokinetic profiles based on improved physicochemical properties, demonstrated efficacy on collagen-induced arthritis models in mice and rats. (C) 2011 Elsevier Ltd. All rights reserved.