Quality Control of Tricyclohexylphosphonium tetrafluoroborate. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: Tricyclohexylphosphonium tetrafluoroborate, is researched, Molecular C18H34BF4P, CAS is 58656-04-5, about Stereo- and regio-selective synthesis of silicon-containing diborylalkenes via platinum-catalyzed mono-lateral diboration of dialkynylsilanes. Author is Long, Peng-Wei; Xie, Jia-Le; Yang, Jing-Jing; Lu, Si-Qi; Xu, Zheng; Ye, Fei; Xu, Li-Wen.
A highly chemoselective Pt-catalyzed mono-lateral diboration of dialkynylsilanes for the construction of Si-tethered alkynyl diborylalkenes is described, in which tris(4-methoxyphenyl)phosphine is an effective ligand for the cis-addition of diboron agents to the Si-tethered alkynes, and the chiral ligand (AFSi-Phos)-mediated diboration of dialkynylsilanes resulted in the desym. construction of Si-stereogenic centers with promising enantioselectivity.
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