ChemInform Abstract: Regio- and Stereoselective Oxidative Difunctionalization of Alkylidene Cyclohexenes.
Abstract
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ChemInform Abstract
Oxidation of the alkylidene cyclohexene (I) with bromine affords a spirocyclic δ-lactone whereas treatment with I-Cl leads to the γ-lactones (III) and (IV). Interestingly, epoxidation of the related hydroxamic acid (V) results in formation of the δ-lactone oxime (VI).