作者:Thomas A. Engler、Sushant Malhotra、Timothy P. Burkholder、James R. Henry、David Mendel、Warren J. Porter、Kelly Furness、Clive Diefenbacher、Angela Marquart、Jon K. Reel、Yihong Li、Joshua Clayton、Brian Cunningham、Johnathan McLean、John C. O’Toole、Joseph Brozinick、Eric Hawkins、Elizabeth Misener、Daniel Briere、Richard A. Brier、Jill R. Wagner、Robert M. Campbell、Bryan D. Anderson、Renee Vaughn、Donald B. Bennett、Timothy I. Meier、James A. Cook
DOI:10.1016/j.bmcl.2004.12.063
日期:2005.2
Many 3-aryl-4-(1,2,3,4-tetrahydro[1,4]diazepino[6,7,1-hi]indol-7-yl)maleimides exhibit potent GSK3 inhibitory activity (<100 nM IC50), although few show significant selectivity (>100x) versus CDK2, CDK4, or PKCbetaII. However, combining 3-(imidazo[1,2-a]pyridin-3-yl), 3-(pyrazolo[1,5-a]pyridin-3-yl) or aza-analogs with a 4-(2-acyl-(1,2,3,4-tetrahydro[1,4]diazepino[6,7,1-hi]indol-7-yl)) group on the maleimide resulted in very potent inhibitors of GSK3 (less than or equal to5 nM) with >160 to >10,000-fold selectivity versus CDK2/4 and PKCbetaII, These compounds also inhibited tau phosphorylation in cells and were effective in lowering plasma glucose in a rat model of type 2 diabetes (ZDF rat). (C) 2005 Elsevier Ltd. All rights reserved.