nitrilium betaines

https://doi.org/10.1351/goldbook.N04155
Derivatives of
nitriles
having the general structure R–C≡N+–Y. A subclass of 1,3-
dipolar compounds
including
nitrile imides
,
nitrile oxides
,
nitrile sulfides
and
nitrile ylides
.
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]