[A new paeoniflorin derivative isolated from the root bark ethanol extract of Paeonia suffruticosa].
OBJECTIVE
To study the chemical constituents of paeoniflorins from root cortex of the Paeonia suffruticosa.


METHODS
Paeoniflorins were isolated by partition, silica gel column chromatography, medium-pressure RP chromatography and HPLC. Their structures were elucidated by spectroscopic methods including IR, MS and NMR techniques.


RESULTS
Nine paeoniflorins were isolated and identified from the root bark ethanol extract of P. suffruticosa.


CONCLUSIONS
The new compound was identified as paeoniflorin-4-ethyl ether, which may be an artifact produced during extraction proved by simulate experiment.
Wang
Su-juan
SJ
Institute of Materia Medica, Peking Union Medical University and Chinese Academy of Medical Science, Beijing 100050, China.
Yang
Yong-chun
YC
Li
Shuai
S
Shi
Jian-gong
JG
D001565:Benzoates / Q000737:chemistry / Q000302:isolation & purification*; D001952:Bridged-Ring Compounds / Q000737:chemistry / Q000302:isolation & purification*; D005960:Glucosides / Q000737:chemistry / Q000302:isolation & purification*; D015394:Molecular Structure; D029596:Paeonia / Q000737:chemistry*; D018517:Plant Roots / Q000737:chemistry; D010946:Plants, Medicinal / Q000737:chemistry*
D001565:Benzoates; D001952:Bridged-Ring Compounds; D005960:Glucosides; C510981:paeoniflorin-4-ethyl ether