Cationic Cyclizations and Rearrangements Promoted by a Heterogeneous Gold Catalyst
Tulaza Vaidya, Ryan Cheng, Peter N. Carlsen, Alison J. Frontier* and Richard Eisenberg
*Department of Chemistry, University of Rochester, Rochester, New York 14627-0216, United States, Email: frontierchem.rochester.edu
T. Vaidya, R. Cheng, P. N. Carlsen, A. J. Frontier, R. Eisenberg, Org. Lett., 2014, 16, 800-803.
DOI: 10.1021/ol403542k (free Supporting Information)
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Low loadings of a robust and recyclable heterogeneous gold catalyst with remarkable activity for promoting the electrophilic reactions of aryl vinyl ketones and aryl dienyl ketones enable different types of cationic reactions, including Nazarov cyclizations, lactonizations, and [1,2] shifts.
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J. A. Malona, J. M. Colbourne, A. J. Frontier, Org. Lett., 2006, 8, 5661-5664.