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Wood Research and Technology

Holzforschung

Cellulose – Hemicelluloses – Lignin – Wood Extractives

Editor-in-Chief: Faix, Oskar / Salmén, Lennart

Editorial Board: Daniel, Geoffrey / Militz, Holger / Rosenau, Thomas / Sixta, Herbert / Vuorinen, Tapani / Argyropoulos, Dimitris S. / Balakshin, Yu / Barnett, J. R. / Burgert, Ingo / Rio, Jose C. / Evans, Robert / Evtuguin, Dmitry V. / Frazier, Charles E. / Fukushima, Kazuhiko / Gindl-Altmutter, Wolfgang / Glasser, W. G. / Holmbom, Bjarne / Isogai, Akira / Kadla, John F. / Koch, Gerald / Lachenal, Dominique / Laine, Christiane / Mansfield, Shawn D. / Morrell, J.J. / Niemz, Peter / Potthast, Antje / Ragauskas, Arthur J. / Ralph, John / Rice, Robert W. / Salin, Jarl-Gunnar / Schmitt, Uwe / Schultz, Tor P. / Sipilä, Jussi / Takano, Toshiyuki / Tamminen, Tarja / Theliander, Hans / Welling, Johannes / Willför, Stefan / Yoshihara, Hiroshi

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IMPACT FACTOR 2017: 2.079

CiteScore 2017: 1.94

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1437-434X
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Volume 66, Issue 4

Issues

Synthesis of glucose esters from cellulose in ionic liquids

Igor A. Ignatyev / Charlie Van Doorslaer / Pascal G.N. Mertens / Koen Binnemans / Dirk E. de Vos
Published Online: 2011-11-03 | DOI: https://doi.org/10.1515/hf.2011.161

Abstract

The transformation of cellulose into glucose ester α-d-glucose pentaacetate (GPAc) was carried out in ionic liquid 1-butyl-3-methylimidazolium chloride under mild reaction conditions. The reaction comprises two steps: the first involves a hydrolysis reaction, yielding α-d-glucose and glucose oligomers; and then only after some time, the acetylating reagent acetic anhydride is added. Under optimized conditions and with the acidic resin Amberlyst 15DRY as a hydrolysis catalyst, a 70% yield of GPAc was obtained. This product could be quantitatively isolated by simple liquid-liquid extraction, which allowed easy recycling of the ionic liquid and catalyst.

Keywords: acetylation; acid catalysis; cellulose; ionic liquids; heterogeneous catalysis

About the article

Corresponding author. Center for Surface Chemistry and Catalysis, K.U. Leuven, Kasteelpark Arenberg 23 – box 2461, B-3001, Heverlee, Belgium Phone: +32-16321610 Fax: +32-16321998


Received: 2011-09-04

Accepted: 2011-10-10

Published Online: 2011-11-03

Published in Print: 2012-05-01


Citation Information: Holzforschung, Volume 66, Issue 4, Pages 417–425, ISSN (Online) 1437-434X, ISSN (Print) 0018-3830, DOI: https://doi.org/10.1515/hf.2011.161.

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