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2012•Journal of Liquid Chromatography & Related TechnologiesRequires access

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

Wei Li, Zifeng Pi, Fengrui Song, Zhiqiang Liu, Yang Shibin

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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.

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What this paper is about

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.

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Available 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.

Key concepts: Jatrorrhizine, Chemistry, Palmatine, Berberine, Mass spectrometry, Tandem mass spectrometry, Electrospray ionization, Chromatography

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STRUCTURAL ELUCIDATION OF PYROLYZED PRODUCTS OF PROTOBERBERINE ALKALOIDS IN RHIZOMA COPTIDIS BY ELECTROSPRAY IONIZATION TANDEM MASS SPECTROMETRY — Research Paper | ScholarLens