Abstract
Intramolecular cyclisation of simple allylic hydroperoxides to give substituted 1,2—dioxolanes using electrophilic reagents has been investigated. Closure using mercury(II) acetate and electrophilic halogen reagents (NBS, Br 2 Bu tOC1) occurs by Markovnikov—directed and conformationally strict stereospecificity. Subsequent free— radical reaction of the mercurated dioxolanes involved specific reaction involving reaction from the sterically unprotected face of the intermediate dioxolanyl radical.
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