La. Baltina et al., TRANSFORMATIONS OF GLYCYRRIZIC ACID .13. SYNTHESIS OF PEPTIDE DERIVATIVES OF MONOMETHYL GLYCYRRHIZATE, Bioorganiceskaa himia, 22(12), 1996, pp. 926-930
Novel dipeptide derivatives of glycyrrhizic acid monomethyl ester were
synthesized by its condensation with Ala-Glu (or D-Glu) derivatives u
sing Woodward K reagent or the active ester method. Two of the compoun
ds prepared stimulated delayed hypersensitivity response in mice at 2
mg/kg dose.