4.8 Article

Tetrasubstituted 1,3-Enynes by Gold-Catalyzed Direct C(sp2)-H Alkynylation of Acceptor-Substituted Enamines

Journal

ORGANIC LETTERS
Volume 23, Issue 12, Pages 4764-4768

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.1c01486

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Funding

  1. CSC (China Scholarship Council)

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A gold-catalyzed synthesis of tetrasubstituted 1,3-enynes from hypervalent iodine(III) reagents and activated alkenes is reported, offering 26 enynes in 62-92% yield with excellent functional group tolerance. This reaction involves an in situ formed alkynyl Au(III) species and a subsequent direct C(sp(2))-H functionalization of alkenes.
A gold-catalyzed synthesis of tetrasubstituted 1,3-enynes from hypervalent iodine(III) reagents and activated alkenes is reported. This reaction involves an in situ formed alkynyl Au(III) species and a subsequent direct C(sp(2))-H functionalization of alkenes, offering 26 enynes in 62-92% yield with excellent functional group tolerance.

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