Highly regio- and stereoselective synthesis of alkenylboronic esters by copper-catalyzed boron additions to disubstituted alkynes

The copper-catalyzed addition of bis(pinacolato)diboron to internal alkynes in the presence of methanol generates alkenylboron compounds with high levels of regio- and stereoselectivities. The catalytic efficiency is increased by using monodentate phosphine ligands, especially P(p-tolyl)(3) and a ra...

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Veröffentlicht in:	Chemical communications (Cambridge, England) England), 2011-01, Vol.47 (10), p.2943-2945
Hauptverfasser:	Kim, Hye Ryung, Yun, Jaesook
Format:	Artikel
Sprache:	eng
Schlagworte:	Alkynes Boron Esters Ligands Methyl alcohol Phosphines Stereoselectivity Synthesis
Online-Zugang:	Volltext
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