Abstract
New cysteine-containing derivatives of glycyrrhizic acid were synthesized by its coupling with Cys(Bzl) esters or the Cys(Bzl)-Val-OBut dipeptide by the active ester method (DCC/HOSu) or by Woodward's reagent K. The derivatives with Cys(Bzl) and Cys(Bzl)-Val residues attached to the carbohydrate part of the molecule stimulated the primary immune response and the reaction of delayed-Type hypersensitivity in mice at a dose of 2 mg/kg.
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Kondratenko, R.M., Baltina, L.A., Vasil'eva, E.V. et al. Synthesis and Immunostimulating Activity of Cysteine-Containing Derivatives of Glycyrrhizic Acid. Russian Journal of Bioorganic Chemistry 30, 53–59 (2004). https://doi.org/10.1023/B:RUBI.0000015774.09619.80
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DOI: https://doi.org/10.1023/B:RUBI.0000015774.09619.80