Beilstein J. Org. Chem.2015,11, 1641–1648, doi:10.3762/bjoc.11.180
additions in halofunctionalization with TMSX/Selectfluor and thiocyanation reactions with NH4SCN/Selectfluor. These competing pathways are influenced by the nature of the anion, allene structure, and the choice of solvent.
Keywords: allene esters; oxidativeelectrophilicdihalogenation/conjugateaddition
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Graphical Abstract
Scheme 1:
Reaction of benzyl allenoate (1) with TMSBr with and without Selectfluor (E/Z designations, as illu...