Reactions of alkynylborate salts, easily derived from reaction of frustrated Lewis pairs with terminal alkynes, with diazonium salts to induce 1,1-carboboration affording a facile and efficient route to substituted electrophilic vinyl boranes.
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Facile synthesis of electrophilic vinyl boranes: reactions of alkynyl-borates and diazonium salts
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Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Canada
E-mail: dstephan@chem.utoronto.ca
E-mail: dstephan@chem.utoronto.ca
Chem. Commun., 2012,48, 10189-10191
DOI: 10.1039/C2CC35553A
Received 31 Jul 2012, Accepted 01 Sep 2012
First published online 12 Sep 2012
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