allylic intermediates

https://doi.org/10.1351/goldbook.A00246
Carbanions, carbenium ions or radicals, formally derived by detachment of one hydron, hydride or hydrogen from the $\ce{CH3}$ group of propene or derivatives thereof. E.g. $\ce{H2C=CHCH2^{+}}$ allyl cation.
Source:
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1315 [Terms] [Paper]