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Mesophase formation and chain rigidity in cellulose and derivatives. 4. Cellulose in N,N-dimethylacetamide-lithium chloride

โœ Scribed by Bianchi, Estella; Ciferri, Alberto; Conio, G.; Cosani, Alessandro; Terbojevich, M.

Book ID
126952777
Publisher
American Chemical Society
Year
1985
Tongue
English
Weight
635 KB
Volume
18
Category
Article
ISSN
0024-9297

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Competitive formation of cellulose p-tol
Competitive formation of cellulose p-toluenesulfonate and chlorodeoxycellulose during homogeneous reaction of p-toluenesulfonyl chloride with cellulose in N,N-dimethylacetamide-lithium chloride
โœ Charles L. McCormick; Timothy R. Dawsey; J.Kent Newman ๐Ÿ“‚ Article ๐Ÿ“… 1990 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 592 KB

The homogeneous preparation of a cellulose p-toluenesulfonate (tosylate) in N,N-dimethylaceta-mid+lithium chloride (DMAc-LiCl) is hampered by solvolysis of the p-toluenesulfonyl chloride (tosyl chloride). This Vilsmeier-Haack type reaction results in competitive formation of cellulosep-toluenesulfon