A Facile 1,3-Dipolar Cycloaddition of Nitrile Oxides to Chlorocarbonyl Isocyanate: Synthesis of 4-Chlorocarbonyl-5-oxo-4,5-dihydro-1,2,4-oxadiazoles

Abstract
The 1,3-dipolar cycloaddition of substituted benzonitrile oxides to the C=N group of chlorocarbonyl isocyanate in chloroform gives potentially useful 3-aryl-4-chlorocarbonyl-5-oxo-4,5-dihydro-1,2,4-oxadiazoles in 75-80% yields.

This publication has 0 references indexed in Scilit: