Citation: Zhan Qi Niu, Yu Min Sun, Feng Niu, Jian Han, Da Wei Chen. Study of electrospray ionization tandem mass spectrometry of the benzofuranone compounds[J]. Chinese Chemical Letters, ;2008, 19(3): 324-328. doi: 10.1016/j.cclet.2007.12.008 shu

Study of electrospray ionization tandem mass spectrometry of the benzofuranone compounds

Zhan Qi Niu ^a,b, ,
Yu Min Sun ^c ,
Feng Niu ^b ,
Jian Han ^d ,
Da Wei Chen ^a

a School of Pharmacy of Shenyang Pharmaceutical University, Shenyang 110016, China;
b ShiJiaZhuang Pharma Group NBP Pharmaceutical Co. Ltd., Shijiazhuang 052160, China;
c Department of Pharmaceutical Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian 116000, China;
d Department of Natural Medicines, School of Pharmaceutical Sciences, Peking University Health Science Center, Beijing 100083, China

Received Date: 7 September 2007

A detailed analysis of benzofuranone compounds under multiple tandem mass spectrometry (ESI-MSⁿ) conditions is reported. Element composition data of the fragment ions were obtained with the aid of comparison of the multiple tandem mass spectra of four compounds, and the structures of which are identical except for some substituted groups or epimers or cis-trans-isomers. Attempts have been made to provide rational pathways for the formation of the fragment ions from these protonated compounds. And the structure-fragmentation relationships will facilitate the characterization of the structures of other analogs.
- ESI-MSⁿ,
- Benzofuranones,
- Epimer,
- cis-trans-Isomer
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