REACTION OF 3-ACETOXY-(2,3),(19β,28)-DIEPOXYOLEANANE WITH CYCLIC AND LINEAR AMINES

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Abstract

A mixture of diastereomeric 3-acetoxy-(2,3),(19β,28)-diepoxyoleananes was prepared via reaction of 3-acetoxy-19β,28-epoxyolean-2-ene with m-chloroperbenzoic acid. Directed rearrangement of these formed 2β-acetoxy-19β,28-epoxyolean-3-one whereas heating of them in amines produced oleanane-type enamines.

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