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Gold-Catalyzed Cascade Friedel–Crafts/Furan-Yne Cyclization/Heteroenyne Metathesis for the Highly Efficient Construction of Phenanthrene Derivatives

✍ Scribed by Yifeng Chen; Guijie Li; Yuanhong Liu

Publisher: John Wiley and Sons
Year: 2011
Tongue: English
Weight: 247 KB
Volume: 353
Category: Article
ISSN: 1615-4150
DOI: 10.1002/adsc.201000644

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✦ Synopsis

A rapid access to highly substituted phenanthrenyl ketones through gold-catalyzed cyclization of 1,6-diyn-4-en-3-ols with furans has been developed. Gold catalysts are effective to catalyze three cascade processes involving Friedel-Crafts/ furan-yne cyclization/heteroenyne metathesis through C À O bond and alkyne activation. This method offers several advantages such as high selectivities and easily accessible starting materials.

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