Allylic Carbocation
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An allylic carbocation is a resonance-stabilized carbocation in each of the two resonance forms of which the formal charge of +1 is on an allylic carbon.
eg. 1:
eg. 2:
The lightest allylic carbocation (1) is called the allyl carbocation.
see also primary allylic carbocation, secondary allylic carbocation, tertiary allylic carbocation
- Gamini Gunawardena from the OChemPal site (Utah Valley University)