Chemical modification of chitosan. 3. Hyperbranched chitosan-sialic acid dendrimer hybrid with tetraethylene glycol spacer

Macromolecules

Volumn 33, Issue 19, 2000, Pages 6913-6915

  Sashiwa, Hitoshi ^a   Shigemasa, Yoshihiro ^b   Roy, René ^a  

^a UNIVERSITY OF OTTAWA   (Canada)

^b TOTTORI UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

CHEMICAL BONDS; CHEMICAL MODIFICATION; MOLECULAR STRUCTURE; SUBSTITUTION REACTIONS;

CHITOSAN; DENDRIMERS; SIALIC ACID; TETRAETHYLENE GLYCOL;

POLYSACCHARIDES;

EID: 0034269995     PISSN: 00249297     EISSN: None     Source Type: Journal    
DOI: 10.1021/ma0005769     Document Type: Article

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21. 2 of acetal), 101.1 (CH of acetal), 118.8 and 134.6 (Ph), 174.2 (CONH).
22. 2O (0.5 mL). After stirring at room temperature for a day, the mixture was evaporated and dried in vacuo to give aldehyde 11c.
23. 2O of spacer), 72.9 (C-3 of chitosan), 77.6 (C-5 of chitosan), 79.2 (C-4 of chitosan), 100.4 (C-1 of GlcNi, 104.1 (C-1 of GlcNAc), 118.8 (Ph), 134.6 (Ph), 177.5 (NHCO).