期刊
CHEMICAL COMMUNICATIONS
卷 52, 期 72, 页码 10830-10833出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6cc05360b
关键词
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资金
- NSERC of Canada
- Canada Research Chair
- DFG [IRTG 2027]
- Alexander von Humboldt Foundation
Terminal and internal alkynes are efficiently hydroborated to (E)-alkenyl pinacol boronic esters with excellent yields and selectivities using a Lewis acid catalyst. In the case of Piers' borane (HB(C6F5)(2)) the borane acts as a pre-catalyst generating dissymmetrically gem-diborylated species of the form RCH2CR'(Bpin)(B(C6F5)(2)) which are the active catalysts.
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