Transition Metal-Free trans-Selective Alkynylboration of Alkynes.
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DOI: 10.1021/jacs.7b06212
Abstract: We report the first transition metal-free and trans-selective alkynylboration reaction of alkynes. This unprecedented carboboration reaction is enabled by pseudo-intramolecular activation of alkynylboronates using propargylic alcohols. The carboboration affords 4-alkynyl-1,2-oxaborol-2(5H)-ols, which are not only versatile… read more here.
Keywords: free trans; transition metal; trans selective; selective alkynylboration ... See more keywords