J. Gerard et al., VINYLBORANE AND VINYLCHALCOGENIDE MEDIATED SYNTHESES OF TRI-SUBSTITUTED AND TETRASUBSTITUTED OLEFINS FROM 1-ALKYNES, Tetrahedron letters, 39(47), 1998, pp. 8735-8738
The title olefins have been prepared with high regio- and stereocontro
l from I-alkynes through vinyl boranes / vinyl chalcogenides; the reac
tion sequences involved protonolysis or transmetallation - alkylation
of the boranes followed by an Ni(0) catalyzed coupling reaction. (C) 1
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