Functionalization of alkynols: An efficient gold(I)-catalyzed intramolecular hydrophosphoryloxylation of alkynyl hydrogen phosphates has been developed and provides structurally interesting cyclic vinyl phosphates through 6-endo-dig, 6-exo-dig, or 7-exo-dig ring closure (see scheme).
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Chary et al. (2011) studied this question.
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