hemiacetal

https://doi.org/10.1351/goldbook.09829
Compound having the general formula \(\ce{RCH(OH)(OR^{\prime})}\) (\(\ce{R^{\prime}} \neq \ce{H}\)).
Note: A hemiacetal results from the nucleophilic addition of a hydroxy group to a carbonyl functionality of an aldehyde, as in ring closure of an aldose.
See: anomeric hydroxy group, hemiketal
Source:
PAC, 2018, 90, 1121. (Terminology of bioanalytical methods (IUPAC Recommendations 2018)) on page 1174 [Terms] [Paper]
Citation: 'hemiacetal' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.09829 RIS BibTex EndNote
Div. VTextXMLJSON