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Gold-catalyzed cascade cyclization-oxidative alkynylation of allenoates

Lookup NU author(s): Dr Matt HopkinsonORCiD

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Abstract

A gold(I)-catalyzed cascade cyclization-oxidative cross-coupling process has been applied to prepare β-alkynyl-γ-butenolides directly from allenoates and various terminal alkynes. Following an initial gold-catalyzed C-O bond forming allenoate cyclization, a mechanism based on a Au I/AuIII redox cycle has been proposed with Selectfluor acting as the external oxidant. © 2010 American Chemical Society.

Publication metadata

Author(s): Hopkinson MN, Ross JE, Giuffredi GT, Gee AD, Gouverneur V

Publication type: Article

Publication status: Published

Journal: Organic Letters

Year: 2010

Volume: 12

Issue: 21

Pages: 4904-4907

Print publication date: 05/11/2010

Online publication date: 11/10/2010

ISSN (print): 1523-7060

ISSN (electronic): 1523-7052

URL: https://doi.org/10.1021/ol102061k

DOI: 10.1021/ol102061k

PubMed id: 20936849

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