Ir-Catalyzed Regio- and Stereoselective Hydrosilylation of Internal Thioalkynes: A Combined Experimental and Computational Study
作者:Li-Juan Song、Shengtao Ding、Yong Wang、Xinhao Zhang、Yun-Dong Wu、Jianwei Sun
DOI:10.1021/acs.joc.6b00854
日期:2016.8.5
However, the exploitation for selectivehydrosilylation of unsymmetrical internal alkynes has been limitedly known. Described here is a new example of this type. Specifically, [(cod)IrCl]2 catalyzes the efficient and mild hydrosilylation of thioalkynes by various silanes with excellent regio- and stereoselectivity. DFT studies suggested a new mechanism involving Ir(I) hydride as the key intermediate.