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).
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Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 325–330, July–August, 2005.
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Nishanbaev, S.Z., Kuliev, Z.A., Khidyrova, N.K. et al. New Oligomeric Proanthocyanidins from Bark of Platanus orientalis . Chem Nat Compd 41, 404–409 (2005). https://doi.org/10.1007/s10600-005-0162-3
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DOI: https://doi.org/10.1007/s10600-005-0162-3