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学科主题: 分析化学
题名: Interception of the radicals produced in electrophilic fluorination with radical traps (Tempo, Dmpo) studied by electrospray ionization mass spectrometry
其他题名: 基于电喷雾质谱的方法用捕获剂捕获亲电氟化反应中产生的自由基
作者: Zhang X(张祥) ; Wang HY(王昊阳) ; Guo YL(郭寅龙)
通讯作者: 郭寅龙
刊名: Rapid Commun. Mass Spectrom.
发表日期: 2006
卷: 20, 期:12, 页:1877-1882
收录类别: SCI
部门归属: 上海有机所上海质谱中心
英文摘要: The interaction of the nitroxide radical traps (Tempo and Dmpo) and radicals produced in the electrophilic fluorination of olefins (styrene and alpha-methylstyrene) and Selectfluor (1-chloromethyl-4fluoro-1,4-diazoniabicyclo[2.2.2]octanebis(tetrafluorob orate) (F-TEDA-BF4) (1)) was investigated by electrospray ionization mass spectrometry (ESI-MS). Tempo succeeded in intercepting the radical cationic intermediates and the radical adduct ions were detected at m/z 260 (for styrene) and m/z 274 (for et-methylstyrene). Dmpo could also intercept the fluorine radical and radical adduct ions were detected at m/z 131, 132 and 152. The interception of the radical cationic intermediates and fluorine radical is good evidence for the presence of a single-electron transfer mechanism in the electrophilic. fluorination. Copyright (c) 2006 John Wiley & Sons, Ltd.
语种: 英语
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WOS记录号: WOS:000238333000010
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/19924
Appears in Collections:分析化学研究室_期刊论文

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Recommended Citation:
Zhang X,Wang HY,Guo YL. Interception of the radicals produced in electrophilic fluorination with radical traps (Tempo, Dmpo) studied by electrospray ionization mass spectrometry[J]. Rapid Commun. Mass Spectrom.,2006,20(12):1877-1882.
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