Pyridine-phosphinimine ligand-accelerated Cu(<scp>i</scp>)-catalyzed azide–alkyne cycloaddition for preparation of 1-(pyridin-2-yl)-1,2,3-triazole derivatives
作者:Ranfeng Sun、Huangdong Wang、Jianfeng Hu、Jiudong Zhao、Hao Zhang
DOI:10.1039/c4ob01176g
日期:——
5-a]pyridines and alkynes for the first time. By optimizing the reaction conditions, an efficient catalytic system (CuCl/2-PyCH2N[double bond, length as m-dash]P(t)Bu3) was developed to give 1-(pyridin-2-yl)-1,2,3-triazole derivatives in moderate to excellent yields (46-98%).
设计了一系列膦亚胺配体,并首次用于四唑并[1,5-a]吡啶和炔烃的Cu(i)催化的叠氮化物-炔烃环加成(CuAAC)反应中。通过优化反应条件,开发了一种有效的催化体系(CuCl / 2-PyCH2N [双键,长度为m-dashP(t)Bu3),得到1-(吡啶-2-基)-1,2, 3-三唑衍生物的产率中等至极好(46-98%)。