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Novel Bulky Esters of Cellulose

✍ Scribed by Thomas Heinze; Matthias Pohl; Jens Schaller; Frank Meister


Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
173 KB
Volume
7
Category
Article
ISSN
1616-5187

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✦ Synopsis


Abstract

Novel bulky esters of cellulose were synthesized homogeneously, applying the solvent systems DMA/LiCl or DMSO/TBAF, by conversion of the biopolymer with aryl polyester dendrons. The carboxylic acid moieties were efficiently activated in situ with CDI or the acid chloride was applied. Cellulose esters with DS values of up to 0.7 were obtained. The functionalization pattern was analyzed by different NMR spectroscopic techniques indicating that not only position 6 (primary hydroxyl group) but also the secondary one at position 2 was included in the reaction.

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