## Abstract Three new resveratrol oligomers, hopeahainanphenol (**1**), neohopeaphenol A (**2**), and neoisohopeaphenol A (**3**), were isolated from the stem bark of __Hopea hainanensis__ (Dipterocarpaceae). Their structures were elucidated by inβdepth spectroscopic analyses, including 1Dβ and 2Dβ
New Resveratrol Tetramers from the Stem Bark of Upuna borneensis
β Scribed by Tetsuro Ito; Zulfiqar Ali; Miyuki Furusawa; Ibrahim Iliya; Toshiyuki Tanaka; Ken-ichi Nakaya; Jin Murata; Dedy Darnaedi; Masayoshi Oyama; Munekazu Iinuma
- Publisher
- John Wiley and Sons
- Year
- 2005
- Tongue
- English
- Weight
- 155 KB
- Volume
- 2
- Category
- Article
- ISSN
- 1612-1872
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## Abstract The investigation of phenolic constituents in __Vateria indica__ afforded five resveratrol tetramers, vateriaphenols B and C, isohopeaphenol, hopeaphenol, and shoreaketone. Their structures and configurations were established by spectroscopic methods. The structure assigned to vateriaph