ChemInform Abstract: Highly Regioselective Dipolar Cycloadditions of Nitrile Oxides with α,β‐Acetylenic Aldehydes.

Abstract

1,3‐Dipolar cycloaddition of in situ generated nitrile oxides with α,β‐acetylenic aldehydes allows the isolation of the expected isoxazoles as single regioisomers.