Stereo- and regio-selective synthesis of silicon-containing diborylalkenes<i>via</i>platinum-catalyzed mono-lateral diboration of dialkynylsilanes
Peng‐Wei Long, Jiale Xie, Jingjing Yang, Siqi Lu, Zheng Xu, Fei Ye, Li‐Wen Xu
Abstract
A highly chemoselective platinum-catalyzed mono-lateral diboration of dialkynylsilanes for the construction of silicon-tethered alkynyl diborylalkenes is described, in which tris(4-methoxyphenyl)phosphine was found to be an effective ligand for the cis-addition of diboron agents to the silicon-tethered alkynes, and the chiral ligand (AFSi-Phos)-mediated diboration of dialkynylsilanes resulted in the desymmetric construction of silicon-stereogenic centers with promising enantioselectivity.
Topics & Concepts
StereocenterPlatinumSiliconPhosphineCatalysisChemistryMaterials scienceOrganic chemistryEnantioselective synthesisOrganoboron and organosilicon chemistryChemical Synthesis and AnalysisBoron Compounds in Chemistry