FIELD: chemistry.
SUBSTANCE: invention relates to a chitosan derivative, wherein a chitosan fragment of general formula (I) 
, where R is a fatty or amino acid residue, n for a hydrophilic ligand ranges from about 12% to about 25% with respect to the number of monosaccharide residues of chitosan, m for a hydrophobic ligand ranges from about 30% to about 60% with respect to the number of monosaccharide residues of chitosan. The invention also relates to versions of a method of producing said derivative.
EFFECT: invention provides a chitosan derivative with high transdermal and membrane permeability, high sorption capacity and solubility in a wide pH range.
16 cl, 2 dwg, 2 ex, 1 tbl
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