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Review | Special issue | Vol 77, No. 2, 2009, pp.657-678
Published online, 24th September, 2008
DOI: 10.3987/REV-08-SR(F)5
Ring Transformations of 2H-Pyran-2-ones and Fused Pyran-2-ones with Nucleophilic Reagents

Franc Pozgan and Marijan Kocevar*

*Department of Organic Chemistry, Faculty of Chemistry and Chemical Technology, University of Ljubljana, Askerceva 5, P.O. Box 537, SI-1000 Ljubljana, Slovenia


In this review we report on several recently described nitrogen- and carbon-nucleophile-induced ring transformations of selected pyran-2-one derivatives. These reactions provide convenient routes for the synthesis of different heterocycles and carbocycles as well as β-heteroaryl-α,β-didehydroamino acid derivatives.