Novel Oligostilbenes from Vitis coignetiae

Article abstract of DOI:10.1016/0040-4020(95)00757-Y

Phytochemical investigation on oligostilbenes in a methanol extract of Vitis coignetiae (Japanese name: yama-budou) resulted in the isolation of a novel stilbene dimer, ε-viniferin diol, and two novel stilbene tetramers, vitisin B and its stereoisomer cis-vitisin B.The structures of the oligostilbenes were determined by spectroscopic evidence and chemical reactions.