nitrile ylides

Also contains definition of: alkylideneamino carbenes
https://doi.org/10.1351/goldbook.N04153
1,3-
dipolar compounds
having the structure:
The uncharged
canonical form
is called an alkylidene- (or hydrocarbylidene-) amino carbene; the name iminyl carbene is incorrect because iminyl is not a recognized prefix for –N=CR2.
See also:
carbenes
Source:
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1351 [Terms] [Paper]