Implication of a Silyl Cobalt Dihydride Complex as a Useful Catalyst for the Hydrosilylation of Imines
作者:Cassandre C. Bories、Marion Barbazanges、Etienne Derat、Marc Petit
DOI:10.1021/acscatal.1c03886
日期:2021.11.19
Here, we describe the formation and use of silyl cobalt (III) dihydride complexes as powerful catalysts for the hydrosilylation of a variety of imines starting from a low-valent well-defined cobalt (I) complex. The reaction is efficient at low catalyst loadings with a diverse range of imines bearing various protecting groups, as well as aliphatic ketimines and quinoline. Kinetics, DFT calculations
在这里,我们描述了甲硅烷基钴 (III) 二氢化物配合物的形成和使用,作为从低价明确定义的钴 (I) 配合物开始的各种亚胺氢化硅烷化的强大催化剂。该反应在低催化剂负载下是有效的,具有各种带有各种保护基团的亚胺,以及脂肪族酮亚胺和喹啉。动力学、DFT 计算、NMR 光谱研究、氘化实验和 X 射线衍射分析使我们能够提出基于甲硅烷基二氢钴 (III) 配合物进行氢化钴的催化循环。