02661 IUPAC Gold Book - glycosides 10.1351/goldbook.G02661 G02661 current 1 Originally mixed acetals resulting from the attachment of a glycosyl group to a non-acyl group $\ce{RO– (which itself may be derived from a saccharide and chalcogen replacements thereof ($\ce{RS\bond{–}}$, $\ce{RSe\bond{–}}$). The bond between the glycosyl group and the $\ce{OR}$ group is called a glycosidic bond. By extension, the terms N-glycosides and C-glycosides are used as class names for glycosylamines and for compounds having a glycosyl group attached to a hydrocarbyl group respectively.  These terms are misnomers and should not be used. The preferred terms are glycosylamines and C-glycosyl compounds, respectively. acetals https://goldbook.iupac.org//terms/view/A00062 attachment https://goldbook.iupac.org//terms/view/A00512 glycosyl group https://goldbook.iupac.org//terms/view/G02665 glycosylamines https://goldbook.iupac.org//terms/view/G02663 saccharide https://goldbook.iupac.org//terms/view/S05441 PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1338 (https://doi.org/10.1351/pac199567081307) White Book, 2nd ed., p. 136 (https://iupac.qmul.ac.uk/bibliog/white.html) https://goldbook.iupac.org/terms/view/G02661/html https://goldbook.iupac.org/terms/view/G02661/json https://goldbook.iupac.org/terms/view/G02661/plain Citation: 'glycosides' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.G02661 The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms. If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using. 2026-08-04T01:54:55+00:00