Alkynylation of heterocyclic compounds using hypervalent iodine reagent?

Organic & Biomolecular Chemistry Pub Date: 2015-01-21 DOI: 10.1039/C4OB02625J

Abstract

The alkynylation of various nitrogen- and/or sulphur-containing heterocyclic compounds using hypervalent iodine TMS-EBX by utilization of tertiary amines under mild conditions is described. The developed metal-free methodology furnishes the corresponding alkynylated heterocycles bearing quaternary carbon in high yields.

Graphical abstract: Alkynylation of heterocyclic compounds using hypervalent iodine reagent
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