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A Simple Procedure for the Regioselective Synthesis of Fatty Acid Esters of Maltose, Leucrose, Maltotriose and n-Dodecyl Maltosides

✍ Scribed by Manuel Ferrer; M Angeles Cruces; Francisco J Plou; Manuel Bernabé; Antonio Ballesteros

Publisher: Elsevier Science
Year: 2000
Tongue: French
Weight: 150 KB
Volume: 56
Category: Article
ISSN: 0040-4020
DOI: 10.1016/s0040-4020(00)00319-7

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✦ Synopsis

AbstractÐThe enzymatic acylation of several di-and trisaccharides with acyl donors ranging from 8 to 18 carbon atoms was carried out by transesteri®cation with the corresponding vinyl esters. The reaction was performed in 2-methyl-2-butanol/dimethylsulfoxide mixtures using the lipase from Humicola lanuginosa (immobilized on Celite). Maltose, maltotriose and n-dodecyl maltosides were speci®cally acylated in the primary hydroxyl of the non-reducing-end glucose moiety; the acylation of leucrose occurred preferentially in the primary hydroxyl of the glucose ring.

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