Preparative Organic Chemistry
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ChemInform Abstract: Palladium-Catalyzed Cyclocarbonylation of Terminal and Internal Alkynols to 2(5H)-Furanones.
First published: 24 June 2010
Abstract
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ChemInform Abstract
The Pd2(dba)3×CHCl3/dppb catalyst system gives excellent results for the cyclocarbonylation of various alkynols. Hydrogen is required for this reaction. The carbonylation of the (Z)-ene-ynol (IV) proceeds with double bond isomerization.
