Catalytic Use of Elemental Gallium for Carbon-Carbon Bond Formation
Bo Qin and Uwe Schneider*
*The University of Edinburgh, EaStCHEM School of Chemistry, The King’s Buildings, David Brewster Road, EH9 3FJ Edinburgh, U.K., Email: uwe.schneidered.ac.uk
B. Qin, U. Schneider, J. Am. Chem. Soc., 2016, 138, 13119-13122.
DOI: 10.1021/jacs.6b06767 (free Supporting Information)
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Ga(I)-catalyzed C-C bond formations between allyl or allenyl boronic esters and acetals, ketals, or aminals have proceeded in high yields with essentially complete regio- and chemoselectivity by using a catalytic amount of Ga(0), a Ag(I) cocatalyst, crownether ligation, and ultrasonic activation.
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