Transition-Metal-Free Tandem Chlorocyclization of Amines with Carboxylic Acids: Access to Chloroimidazo[1,2-α]pyridines
作者:Xinsheng Xiao、Ying Xie、Siyi Bai、Yuanfu Deng、Huanfeng Jiang、Wei Zeng
DOI:10.1021/acs.orglett.5b01868
日期:2015.8.21
An efficient one-pot and transition-metal-free chlorocyclization cascade of 2-aminopyridines with aliphatic carboxylic acids is reported. This transformation provides a novel approach to 2-chloro- or 3-chloro-substituted imidazo[1, 2-α]pyridines with a broad range of substrate scopes.
报道了2-氨基吡啶与脂肪族羧酸的有效的一锅且无过渡金属的氯环化级联。这种转化为2-氯或3-氯取代的咪唑并[1,2-α]吡啶提供了一种新颖的方法,具有广泛的底物范围。