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Two new resveratrol tetramers from Upuna borneensis
Tetsuro Ito1, Naohito Abe, Zulfiqar Ali
1Laboratory of Pharmacognosy, Gifu Pharmaceutical University, Gifu, Japan. teito@gifu-pu.ac.jp
Chemical & Pharmaceutical Bulletin
|May 8, 2009
Abstract:
Phytochemical investigation of an acetone extract of Upuna borneensis (Dipterocarpaceae) resulted in the isolation of two new resveratrol tetramers, upunaphenols O (1) and P (2). The structures were elucidated by spectroscopic analysis including NMR experiments.