作者:Chieh-Hung Tien、Matt R. Adams、Michael J. Ferguson、Erin R. Johnson、Alexander W. H. Speed
DOI:10.1021/acs.orglett.7b02695
日期:2017.10.20
shown to catalyze the 1,2 hydroboration of 19 imines, and three α,β unsaturated aldehydes with pinacolborane, including examples that did not undergo hydroboration by previously reported diazaphospholene systems. DFT calculations support a mechanism where a triazaphospholene cation interacts with the substrate, a mechanism distinct from diazaphospholene catalyzed hydroborations.
1,2,4,3-三氮杂膦烯(TAPs)的合成和催化活性的报道。与以前报道的二氮杂膦烯相比,TAP代表了更模块化的支架。TAP卤化物已显示可与频哪醇硼烷催化19个亚胺和3个α,β不饱和醛的1,2加氢硼化反应,包括先前未报道的重氮磷腈系统未进行氢硼化反应的实例。DFT计算支持三氮杂磷腈阳离子与底物相互作用的机理,该机理不同于二氮杂磷腈催化的硼氢化反应。