Transition-Metal-Catalyzed Stereo- and Regioselective Hydrosilylation of Unsymmetrical Alkynes

Alkyne hydrosilylation is one of the most efficient methods for the synthesis of alkenyl silicon derivatives and has been a hot topic of research for decades. This short review summarizes the progress in transition-metal-catalyzed stereo- and regioselective hydrosilylation of unsymmetrical alkynes. Topics are discussed based on different types of alkynes and the selectivities. 1 Introduction 2 Terminal Alkyne Hydrosilylation 2.1 β-E Selectivity 2.2 β-Z Selectivity 2.3 α-selectivity 3 Internal Alkyne Hydrosilylation 3.1 Aryl–Alkyl Acetylenes 3.2 Alkyl–Alkyl Acetylenes 3.3 Internal Alkynes with Polarized Substituents 4 Summary and Outlook