Cations having the structure
R2C=N+. A contraction of alkaniminylium ions. Alkylideneaminylium ions is a synonymous term.
A subclass of
nitrenium ions.
Source:
PAC, 1995, 67, 1307
(Glossary of class names of organic compounds and reactivity intermediates based on
structure (IUPAC Recommendations 1995))
on page 1344