Kinetik und Mechanismus der Lactonbildung von Cumarinsäure zu Cumarin durch potentiometrische pH-Messungen / Kinetic and Mechanism of Lactonization of Coumarinic Acid to Coumarin by Potentiometric pH-Measurements
Open Access
- 1 August 1973
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung B
- Vol. 28 (7-8) , 459-463
- https://doi.org/10.1515/znb-1973-7-814
Abstract
Rate constants have been measured for the lactonization of coumarinic acid and its monoanion to coumarin in water at 25°C by a potentiometric method. The pKa-values of coumarinic acid were investigated. A mechanistic scheme for the lactonization is given.Keywords
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