Oligostilbenoid Explained

Oligostilbenoids (oligo- or polystilbenes) are oligomeric forms of stilbenoids. Some molecules are large enough to be considered polyphenols and constitute a class of tannins.^[1]

Examples

Dimers

Trimers

α-Viniferin
Ampelopsin E^[2]
trans-Diptoindonesin B
Gnetin H

Tetramers

cajyphenol A
cajyphenol B
Flexuosol A^[4]
Hemsleyanol D^[2]
Hopeaphenol
Vaticanol B^[2]
R2-Viniferin (syn. Vitisin A)

Modified

Diptoindonesin C can be isolated from the bark of Shorea pinanga^[5]

Other

Diptoindonesin F can be isolated from the bark of Shorea gibbosa^[2]

Glycosides

Diptoindonesin A

Notes and References

Boralle . N . Gottlieb . H.E . Gottlieb . O.R . Kubitzki . K . Lopes . L.M.X . Yoshida . M . Young . M.C.M . Oligostilbenoids . 1993 . Gnetum venosum . Phytochemistry . 34 . 5. 1403–1407 . . 10.1016/0031-9422(91)80038-3 .
Saroyobudiono . Haryoto . Juliawaty . Lia D. . Syah . Yana M. . Achmad . Sjamsul A. . Hakim . Euis H. . Latip . Jalifah . Said . Ikram M. . 2008. Oligostilbenoids from Shorea gibbosa and their cytotoxic properties against P-388 cells . Journal of Natural Medicines . 62 . 2. 195–198. 10.1007/s11418-007-0205-0.
10.1002/cbdv.200900394. Two New Resveratrol Tetramers Isolated from Cayratia japonica (Thunb.) Gagn. With Strong Inhibitory Activity on Fatty Acid Synthase and Antioxidant Activity. Chemistry & Biodiversity. 7. 12. 2931–2940. 2010. Bao. Li. Ma. Xiaofeng. Song. Xiaohong. Wang. Manyuan. Liu. Hongwei. 21162006.
10.1021/np970457v . Flexuosol A, a New Tetrastilbene fromVitis flexuosa . 1998 . Li . Wen-wu . Li . Bo-Gang . Chen . Yao-zu . Journal of Natural Products . 61 . 5 . 646–7 . 9599267.
A modified oligostilbenoid, diptoindonesin C, from Shorea pinanga Scheff . Yana M. Syah . Euis H. Hakim . Emilio L. Ghisalberti . Afghani Jayuska . Didin Mujahidin . Sjamsul A. Achmad . Natural Product Research . 23 . 7 . 2009 . 10.1080/14786410600761235 . 591–594 . 19401910.