ChemInform Abstract: On the Reaction of Sterically Hindered α,β‐Unsaturated Ketones with Hydroxylamine: Preparation of 5‐Hydroxy Derivatives of Isoxazolidine and 4,5‐Dihydroisoxazole.

Abstract

In some cases 4,5‐dihydroisoxazoles are obtained after standing for 2‐4 months of the mother liquors from the reactions of (I) and (III) and isolated in only 8‐15%.