An experimentally simple additive-free Rh(III)-catalysed direct alkynylation of alkenes has been developed. This protocol employs commercially available TIPS-EBX as the alkyne source, giving access to conjugated terminal enynes following a simple silyl-deprotection. This method has also been applied to arenes.
K. D. Collins, F. Lied and F. Glorius, Chem. Commun., 2014, 50, 4459 DOI: 10.1039/C4CC01141D
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