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Barbakadze V.,Ikutateladze Institute Of Pharmacochemistry | Gogilashvili L.,Ikutateladze Institute Of Pharmacochemistry | Amiranashvili L.,Ikutateladze Institute Of Pharmacochemistry | Merlani M.,Ikutateladze Institute Of Pharmacochemistry | And 3 more authors.
Natural Product Communications | Year: 2010

Elucidation of the main structural unit of a water-soluble, high-molecular weight preparation from the crude polysaccharides of Anchusa italica Retz. roots has been carried out. According to 13C NMR, 1H NMR and 2D heteronuclear 1H/13C HSQC spectral data, the main structural element of the high-molecular, water-soluble preparation was a regularly substituted polyoxyethylene chain, namely poly[oxy-1-carboxy-2-(3,4- dihydroxyphenyl)ethylene]. Most carboxylic groups of this caffeic acid-derived polymer of A. italica are methylated.

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