ChemInform Abstract: Synthesis of Spiroannulated Dihydrofurans by Cerium(IV) Ammonium Nitrate Mediated Addition of 1,3-Dicarbonyl Compounds to Exocyclic Alkenes.
Abstract
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ChemInform Abstract
The cerium ammonium nitrate mediated oxidative addition of 1,3- dicarbonyl compounds to exomethylene systems provides a mild and efficient procedure for the synthesis of spiroannulated dihydrofurans ( cf. (III), (V)).