Preparative Organic Chemistry
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ChemInform Abstract: A Mild Preparation of α-Halo-α,β-enones from Cyclic Enones.
First published: 13 June 2010
Abstract
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ChemInform Abstract
The selective transformation of cyclic enones (I) to α-halo-α,β-enones (II) and (III) is achieved in a simple one-pot procedure by oxidation of the parent enones (I) with dimethyldioxirane and subsequent treatment of the epoxide intermediates with alkali halides in the presence of Amberlyst. Olefins (IV) are converted to halohydrins (V) under these conditions.
