enols

https://doi.org/10.1351/goldbook.E02124
Alkenols; the term refers specifically to vinylic alcohols, which have the structure HOCR'=CR2. Enols are tautomeric with aldehydes (R' = H) or ketones (R'H).
See also: phenols
Source:
PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1334 (https://doi.org/10.1351/pac199567081307)