Derivatives of galactose-containing polymers

Details Derivatives of galactose-containing polymers Derivatives of galactose-containing polymers

C - Chemistry, Metallurgy

12

P

260/212, 195/35.

C12P 19/04 (2006.01) C08B 37/14 (2006.01)

Patent

CA 1197483

TITLE DERIVATIVES OF GALACTOSE-CONTAINING POLYMERS INVENTORS Laurance David Hall Mansur Yalpani ABSTRACT OF THE DISCLOSURE Derivatives have been formed from chitins and chitosans in which the amine residues on the polyglucosamine have been modified to form the groups: (a) (b) Image (c) and, (d) where R is a substituent having a chelating function, R' is an aldose or ketose or lactone residue, and R'' is an organometallic aldehyde residue. These derivatives are useful in chelating metals, in pharmaceutical formulations, in cosmetics, in chromatographic separations, in enzyme immobilization, as catalysts, etc. Derivatives of galactose- containing polymers particularly galactomannans, having selected amine-containing side chains have also been prepared by reductive amination.

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