nitrile ylides

Also contains definition of: alkylideneamino carbenes
https://doi.org/10.1351/goldbook.N04153
1,3-dipolar compounds having the structure:
N04153-1.png
The uncharged canonical formN04153-2.png 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 (https://doi.org/10.1351/pac199567081307)