Definition of nitrile imides

1. Ylides having the structure RCN+-N--R RC+=NN--R RC-=N+=NR. Also known as nitrile imines or nitrilimines, especially in the German literature. R. Huisgen, in 1,3-Dipolar Cycloaddition Chemistry, A. Padwa, Ed. John Wiley and Sons, 1984, p. 3. See also dipolar compounds, ylides.