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Gold-Catalyzed Intramolecular Carbocyclization of Alkynyl Ketones Leading to Highly Substituted Cyclic Enones

Tienan Jin and Yoshinori Yamamoto*

*Department of Chemistry, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan, Email:

T. Jin, Y. Yamamoto, Org. Lett., 2007, 9, 5259-5262.

DOI: 10.1021/ol702455v (free Supporting Information)

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Reactions of internal alkynyl ketones under combined catalysts, AuCl3 / AgSbF6 or AuCl3 / AgOTf, afforded various, structurally diverse cyclic enones in good yields.

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ID: J54-Y2007-4030