New synthetic approaches to estrogen receptor modulators: imidazo[1,2-a]pyridines
作者:Hari S. Patel、James A. Linn、David H. Drewry、Daniel A. Hillesheim、William J. Zuercher、William J. Hoekstra
DOI:10.1016/s0040-4039(03)00875-x
日期:2003.5
Constrained triarenes have been important templates for selective modulation of the estrogen receptor (ER). For our ER program. we sought an unexplored, synthetically accessible heterocyclic template capable of bearing a broad range of pharmacophores. Traditional approaches to these therapeutics such as raloxifene have relied on an alkoxy moiety to link the arene-based scaffold to the modulating amine group. Alternatively, aryl halide-mediated introduction of alkylene or aryl side chains has not been studied extensively. The synthetic incorporation of pharmacophoric side chains that are carbon-linked to a novel imidazopyridine-based ER recognition motif is disclosed. (C) 2003 Elsevier Science Ltd. All rights reserved.