New Oligomeric Proanthocyanidins from Bark of Platanus orientalis |
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| Authors: | S. Z. Nishanbaev Z. A. Kuliev N. K. Khidyrova A. D. Vdovin N. D. Abdullaev Kh. M. Shakhidoyatov |
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| Affiliation: | (1) S. Yu. Yunusov Institute of the Chemistry of Plant Substances, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan |
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| Abstract: | Two oligomeric proanthocyanidinglycosides were isolated from bark of Platanus orientalis. Their structures and relative configurations were established as 7-O-β-D-Glcp-(−)-epicatechingallate-(4β-8)-(−)-epicatechin-(4β-8)-(−)-epicatechin-(4β-8)-5-O-β-D-Glcp-epicatechingallate (Pl-1) and 7-O-β-D-Glc→6-O-β-D-Glcp-(−)-epigallocatechingallate-(4β-8)-(+)-catechingallate-(4β-8)-(+)-catechingallate-(4β-8)-(−)-epigallocatechingallate-(4α-8)-(−)-epicatechin-(4β-8)-[5-O-β-D-Glcp-→6-O-β-D-Glc→6-galloyl(−)-epigallocatechingallate (Pl-7). __________ Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 325–330, July–August, 2005. |
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| Keywords: | Platanus orientalis Platanaceae oligomeric proanthocyanidins isolation structure |
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