A One-Pot Approach to Δ2-Isoxazolines from Ketones and Arylacetylenes
摘要:
The sequential reaction of ketones with arylacetylenes and hydroxylamine in the presence of KOBut/DMSO followed by the treatment of the reaction mixture with H2O and KOH leads to Delta(2)-isoxazolines in up to 88% yield.