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Cellulose

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01-06-2008

Tosylation and acylation of cellulose in 1-allyl-3-methylimidazolium chloride

Published in: Cellulose | Issue 3/2008

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Abstract

Tosylation and acylation of cellulose were performed under mild reaction conditions using imidazolium based ionic liquids (ILs) as solvents. The non-degradative nature, lower viscosity, as well as higher solubility of cellulose in [amim]Cl encouraged us to carry out the reactions in this media. The reactions described here were optimised for this particular solvent in order to obtain different cellulose derivatives with high yields, homogeneity and degree of substitution (DS). Two reagents employed for the in situ activation of carboxylic acids were N,N′-carbonyldiimidazole (CDI) and 1-ethyl-3-(3′-dimethylaminopropyl)carbodiimide hydrochloride (EDCI). Final products were characterised by solution and solid-state NMR techniques.

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Title: Tosylation and acylation of cellulose in 1-allyl-3-methylimidazolium chloride
Publication date: 01-06-2008
Published in: Cellulose / Issue 3/2008
Print ISSN: 0969-0239
Electronic ISSN: 1572-882X
DOI: https://doi.org/10.1007/s10570-008-9197-5

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