Cationic Cyclizations and Rearrangements Promoted by a Heterogeneous Gold Catalyst

Cationic Cyclizations and Rearrangements Promoted by a Heterogeneous Gold Catalyst

A heterogeneous gold catalyst with remarkable activity for promoting the electrophilic reactions of aryl vinyl ketones and aryl dienyl ketones is described. The catalyst is easy to prepare, is robust, and can be recycled. Low loadings are effective for different types of cationic reactions, includin...

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Veröffentlicht in:Organic letters 2014-02, Vol.16 (3), p.800-803
Hauptverfasser: Vaidya, Tulaza, Cheng, Ryan, Carlsen, Peter N, Frontier, Alison J, Eisenberg, Richard
Format: Artikel
Sprache:eng
Schlagworte:
Catalysis
Cations - chemistry
Cyclization
Gold - chemistry
Ketones - chemistry
Letter
Molecular Structure
Stereoisomerism
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Zusammenfassung:A heterogeneous gold catalyst with remarkable activity for promoting the electrophilic reactions of aryl vinyl ketones and aryl dienyl ketones is described. The catalyst is easy to prepare, is robust, and can be recycled. Low loadings are effective for different types of cationic reactions, including Nazarov cyclizations, lactonizations, and [1,2] shifts.
ISSN:1523-7060
1523-7052
DOI:10.1021/ol403542k