Copper/Silver-Cocatalyzed Conia-Ene Reaction of Linear β-Alkynic β-Ketoesters
Organic Letters2007Vol. 9(24), pp. 5111–5114
Citations Over TimeTop 10% of 2007 papers
Abstract
A novel and general copper/silver catalytic system has been developed for the Conia-ene intramolecular reaction of linear beta-alkynic beta-ketoesters. In the presence of (CuOTf)2.C6H6 and AgSbF6 (or AgOAc), a variety of the linear beta-alkynic beta-ketoesters selectively underwent the Conia-ene intramolecular reaction in moderate to good yields.
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