Studies on regioselective acylation of cellulose with bulky acid chlorides

Document Type

Article

Publication Date

4-1-2011

Abstract

The regioselective esterification of cellulose by reaction with bulky acyl halides including pivaloyl chloride, adamantoyl chloride and 2,4,6-trimethylbenzoyl chloride was studied. Functionalization conditions to achieve a given degree of substitution (DS) and the resulting ester substitution pattern were described in detail. One- and two-dimensional NMR spectroscopy techniques were used to confirm the structure of the esters obtained. We compared the effects on substitution of using different esterifying reagents and solvent systems including DMAc/LiCl, DMSO/TBAF, and ionic liquids (ILs). © 2010 Springer Science+Business Media B.V.

Publication Source (Journal or Book title)

Cellulose

First Page

405

Last Page

419

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