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Paper | Regular issue | Vol 57, No. 6, 2002, pp.1057-1062
Published online, 1st January, 1970
DOI: 10.3987/COM-02-9471
Dimeric Stilbenes from Stem Lianas of Gnetum africanum

Ibrahim Iliya, Toshiyuki Tanaka,* Munekazu Iinuma, Zulfiqar Ali, Miyuki Furasawa, and Ken-ichi Nakaya

*Gifu Prefectrual Institute of Health and Environmental Sciences, 1-1 Nakafudogaoka, Kakamigahara, Gifu 504-0838, Japan


Two new stilbene dimers; gneafricanins A, B and bisisorhapontigenin B were isolated from the stem lianas of Gnetum africanum (Gnetaceae) along with eight known stilbenoids; longusol A, gnetin C, gnetin D, gnetin E, gnetofolin E, gnetol, isorhapontigenin and resveratrol. The structures of the new compounds were determined by spectral analysis.