{"term":{"id":"15425","title":"transesterification","longtitle":"IUPAC Gold Book - transesterification","doi":"10.1351\/goldbook.15425","code":"15425","status":"current","synonym":"<em>synonym<\/em>: ester interchange","definitions":[{"id":1,"text":"Interchange reaction involving ester groups.","notes":{"1":"Transesterifications commonly occur during polycondensations to form polyesters."},"exams":{"1":"The reactions of an ester group with a hydroxy group to give a new ester group plus a new hydroxy group (alcoholysis), of an ester group with a carboxylic acid group to give a new ester group plus a new carboxylic acid group (acidolysis), and of an ester group with another ester group to interchange substituents are all examples of transesterification."},"sources":["PAC, 2008, 80, 2163. 'Glossary of terms related to kinetics, thermodynamics, and mechanisms of polymerization (IUPAC Recommendations 2008)' on page 2186 (https:\/\/doi.org\/10.1351\/pac200880102163)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/15425\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/15425\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/15425\/plain"},"citation":"Citation: 'transesterification' 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.15425","license":"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.","collection":"If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org .","disclaimer":"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.","accessed":"2026-04-18T06:54:23+00:00"}}