[Studies on alkalodial constituents in leaves of Uncaria hirsuta].
OBJECTIVE
To study the alkaloidial constituents of the leaves of uncaria hirsuta.


METHODS
Some chromatographic methods were applied to isolate pure compounds and their structures were elucidated by spectroscopic methods.


RESULTS
Eleven compounds were isolated and identified as 19-epi-3-iso-ajmalicine (1), 3-isoajmalicine (2), harman (3), mitraphylline (4), isomitraphylline (5), isorhynchophylline (6), corynoxine (7), rhynchophylline (8), isomitraphyllic acid (9), uncarine A (10) and uncarine B (11).


CONCLUSIONS
Compounds 1-9 were firstly isolated from this plant.
Xin
Wen-bo
WB
Key Laboratory of Standardization of Chinese Medicines, Institute of Chinese Materia Medica of Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
Gu
Ping
P
Chou
Gui-xin
GX
Wang
Zheng-tao
ZT
D000470:Alkaloids / Q000737:chemistry*; D004365:Drugs, Chinese Herbal / Q000737:chemistry; D018515:Plant Leaves / Q000737:chemistry*; D032070:Uncaria / Q000737:chemistry*
D000470:Alkaloids; D004365:Drugs, Chinese Herbal