A Fragmentation Study on Four Oligostilbenes by Electrospray Tandem Mass Spectrometry

被引：4
|
作者：
Zhang, Chen-Chen [1 ,2 ,3 ]
Geng, Chang-An [1 ,2 ]
Chen, Ji-Jun [1 ,2 ,3 ]
机构：
[1] Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources West Ch, 132 Lanhei Rd, Kunming 650201, Yunnan, Peoples R China
[2] Yunnan Key Lab Nat Med Chem, Kunming 650201, Yunnan, Peoples R China
[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
NATURAL PRODUCTS AND BIOPROSPECTING | 2019年 / 9卷 / 04期
基金：
中国国家自然科学基金;
关键词：
ESI-IT-TOF-MSn; Fragmentation rules; Oligostilbenes; STILBENOIDS; DIFFERENTIATION;
D O I：
10.1007/s13659-019-0212-3
中图分类号：
R914 [药物化学];
学科分类号：
100701 ;
摘要：
Oligostilbenes have attracted much interest due to their intricate structures and diverse bioactivities. In this study, two stilbene dimers, (-)-7,8-cis-epsilon-viniferin (1) and carasiphenol A (2), and two trimers, suffruticosol A (3) and suffruticosol C (4), were investigated by electrospray ionization ion-trap time-of-flight multistage mass spectrometry (ESI-IT-TOF-MSn). Based on the MSn study, the fragmentation pathways and diagnostic ions of four oligostilbenes in both positive and negative modes were proposed. The consecutive elimination of phenol (C6H6O) and resorcinol (C6H6O2) moieties were the particular dissociation for oligostilbenes due to the presence of 1,2-diphenylethylene nucleus. The present MSn fragmentation study will provide valuable information for the fast characterization of oligostilbenes from complicated natural mixtures. [GRAPHICS] .
引用
收藏
页码：279 / 286
页数：8
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