Abstract
The acylation of sucrose with vinyl laurate in dimethylsulfoxide was catalyzed by Celite (28% conversion in 24 h at 40 °C, 150 mg catalyst ml−1), Eupergit C (11% conversion in 24 h at 60 °C, 150 mg catalyst/ml), and even the simple Na2HPO4 (17% conversion in 24 h at 40 °C, 20 mg catalyst ml−1). These chemical acylations must therefore be taken into account in acylations of hydroxyl-containing compounds with enol esters in polar solvents using immobilized enzymes.
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Plou, F., Cruces, M., Pastor, E. et al. Acylation of sucrose with vinyl esters using immobilized hydrolases: demonstration that chemical catalysis may interfere with enzymatic catalysis. Biotechnology Letters 21, 635–639 (1999). https://doi.org/10.1023/A:1005597906555
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DOI: https://doi.org/10.1023/A:1005597906555