FIELD: chemistry.
SUBSTANCE: use of two carbohydrate residues in the structure of a divalent neoglycoconjugate enables sixfold increase in binding efficiency compared to the monovalent derivative of monolactosyl-L-glutamate-succinate-dihexadecyl-L-glutamic acid, which can be used to produce high-efficiency directed systems for delivering medicinal agents. 
EFFECT: high affinity of carbohydrate residues to proteins by forming new divalent ligands based on L-glutamic acid diether, which are specific to corresponding receptors which contain residues of different carbohydrates, via a 1,3-dipolar cycloaddition reaction.
2 cl, 2 ex
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