Design, synthesis, and evaluation of oxazole transthyretin amyloidogenesis inhibitors
作者:Hossein Razavi、Evan T. Powers、Hans E. Purkey、Sara L. Adamski-Werner、Kyle P. Chiang、Maria T.A. Dendle、Jeffery W. Kelly
DOI:10.1016/j.bmcl.2004.12.022
日期:2005.2
Ten oxazoles bearing a C(4) carboxyl group were synthesized and evaluated as transthyretin (TTR) amyloid fibril inhibitors. Substituting aryls at the C(2) position of the oxazole ring reveals that a 3,5-dichlorophenyl substituent significantly reduced amyloidogenesis. The efficacy of these inhibitors was enhanced further by installing an ethyl, a propyl, or a CF3 group at the C(5) position. The CF3 substitution at C(5) also improves the TTR binding selectivity over all the other proteins in human blood. (C) 2004 Elsevier Ltd. All rights reserved.