Salts in which the
cation has the structure
R2C=N+R2.
Thus
N-hydronated
imines and their
N-substituted derivatives. The synonymous terms imonium compounds and immonium compounds
are irregularly formed and should not be used.
Source:
PAC, 1995, 67, 1307
(Glossary of class names of organic compounds and reactivity intermediates based on
structure (IUPAC Recommendations 1995))
on page 1343