[Terpenoid glycosides from stem of Luculia pinceana].
OBJECTIVE
To study the chemical constituents from n-BuOH portion of ethanolic extract from the stem of Luculia pinceana.


METHODS
The column chromatographic techniques were applied to isolate constituents. A combination of IR, FAB-MS, NMR and 2D NMR spectroscopy was used to identify structures.


RESULTS
Seven compounds were isolated from the n-BuOH fraction and their structures were elucidated as vogeloside (1), epi-vogeloside (2), loganoside (3), loganin (4), cincholic acid 28-O-beta-D-glucopyranosyl ester (5), cincholic acid-3-O-beta-D-glucopyranoside, 28-O-beta-D-glucopyranosyl ester (6), cincholic acid-3-O-beta-D-glucopyranoside (7).


CONCLUSIONS
Compounds 1-7 were isolated from the genus for the first time.
Kang
Wen-Yi
WY
Institute of Natural Products, Henan University, Kaifeng 475004, China. kangweny@hotmail.com
Hao
Xiao-Jiang
XJ
D005960:Glucosides / Q000737:chemistry / Q000302:isolation & purification*; D039823:Iridoids / Q000737:chemistry / Q000302:isolation & purification*; D018547:Plant Stems / Q000737:chemistry; D010946:Plants, Medicinal / Q000737:chemistry; D019666:Rubiaceae / Q000737:chemistry*; D012503:Saponins / Q000737:chemistry / Q000302:isolation & purification*
D005960:Glucosides; D039823:Iridoids; D012503:Saponins; C059516:loganin