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Journal of Liquid Chromatography & Related Technologies Volume 35, 2012 - Issue 19
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Original Articles

STRUCTURAL ELUCIDATION OF PYROLYZED PRODUCTS OF PROTOBERBERINE ALKALOIDS IN RHIZOMA COPTIDIS BY ELECTROSPRAY IONIZATION TANDEM MASS SPECTROMETRY

Wei Li Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun Center of Mass Spectrometry, Changchun, P. R. China; Aerospace Corporation, Beijing, China
,
Zifeng Pi Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun Center of Mass Spectrometry, Changchun, P. R. ChinaCorrespondence[email protected]
,
Fengrui Song Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun Center of Mass Spectrometry, Changchun, P. R. China
,
Zhiqiang Liu Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun Center of Mass Spectrometry, Changchun, P. R. ChinaCorrespondence[email protected]
&
Yang Shibin Aerospace Corporation, Beijing, China
Pages 2724-2734 | Published online: 30 Nov 2012
 
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Abstract

The pyrolysis of three standard protoberberine alkaloids—berberine, jatrorrhizine, and palmatine—has been systematically investigated by using electrospray ionization mass spectrometry (ESI-MS). By using the advantages of multi-stage tandem mass spectrometric (ESI-MSn) in specificity, sensitivity, and quickness, the detailed structural characters of the pyrolyzed products of protoberberine alkaloids have been elucidated. Some new compounds information and their structures have been obtained.

ACKNOWLEDGMENT

This work was supported by the National Natural Science Foundation of China (No. 30672600, 30772721), the Great Research Project of Chinese Academy of Sciences (KGCX2-SW-213-06), and the Natural Science Foundation of Jilin Province (No. 20060902).

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