Calodenin C: a new guibourtinidol-(4alpha-->8)-afzelechin from Ochna calodendron.
A new dimeric proanthocyanidin, calodenin C [guibourtinidol-(4alpha-->8)-afzelechin], was isolated from the stem bark of Ochna calodendron and its structure determined on the basis of chemical studies and spectroscopic data, including HMBC and ROESY experiments.
Messanga
B B
BB
Ghogomu
R
R
Sondengam
B L
BL
Martin
M T
MT
Blond
A
A
Brouard
J P
JP
Bodo
B
B