Illustrated Glossary of Organic Chemistry
Acyl
ium
ion
:
A
resonance
-stabilized
cation
with the
molecular structure
shown below. Most often encountered as
reactive intermediate
in the
Friedel-Crafts acylation reaction
.
Resonance contributors
for an
acyl
ium
ion
.
Related terms:
Oxonium ion
,
R group
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