An efficient preparation of N-acetyl enamides catalyzed by Ru(II) complexes
作者:Kaliyappan Murugan、Da-wei Huang、Yu-Ting Chien、Shiuh-Tzung Liu
DOI:10.1016/j.tet.2012.10.027
日期:2013.1
Reductive acetylation of ketoximes to give the corresponding acyl enamides can be achieved by using 1-3 mol % of [RuCl2(p-cymene)](2) as the catalyst in the presence of KI as the reducing agent in high yields. This procedure has been applied to synthesize N-[1-(1,3-benzodioxol-5-yl)-1-butenyl]acetamide (6), which is the intermediate for the synthesis of DMP 777, an inhibitor of leukocyte elastase. (C) 2012 Elsevier Ltd. All rights reserved.