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Communication
Gold-Catalyzed 5- and 6-exo-dig Selective Cyclizations of Alkynyl Silyl Enol Ethers: Efficient Method for [3+2] and [4+2] Annulations onto α,β-Enones
Article first published online: 11 SEP 2007
DOI: 10.1002/adsc.200700304
Copyright © 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Additional Information
How to Cite
Lee, K. and Lee, P. H. (2007), Gold-Catalyzed 5- and 6-exo-dig Selective Cyclizations of Alkynyl Silyl Enol Ethers: Efficient Method for [3+2] and [4+2] Annulations onto α,β-Enones. Adv. Synth. Catal., 349: 2092–2096. doi: 10.1002/adsc.200700304
Publication History
- Issue published online: 18 SEP 2007
- Article first published online: 11 SEP 2007
- Manuscript Revised: 10 JUL 2007
- Manuscript Received: 23 JUN 2007
Keywords:
- [3+2] annulation;
- [4+2] annulation;
- catalysis;
- cyclization;
- gold
Abstract
An efficient method for the annulation of five- and six-membered rings onto α,β-enones is described via gold-catalyzed 5- and 6-exo-dig selective cyclizations of alkynyl silyl enol ethers.