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学科主题: 有机化学
题名: Study of methylation of nitrogen-containing compounds in the gas phase
其他题名: 气相中含氮化合物的甲基化反应研究
作者: Zhang X(张祥) ; Wang HY(王昊阳) ; Liao YX(廖远熹) ; Ji HW(姬厚伟) ; Guo YL(郭寅龙)
通讯作者: 郭寅龙
刊名: J. Mass Spectrom.
发表日期: 2007
卷: 42, 期:2, 页:218-224
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 methyl migration between the protonated N,N-dimethylisopropylamine and other neutral aliphatic amines in the gas phase has been investigated by a hybrid external chemical ionization source ion trap mass spectrometer. Similar reactions have been found in the aqueous solution by Callahan and Wolfenden (J. Am. Chem. Soc. 2003; 125: 310). At the same time, density functional theory (DFT) calculations show that in contrast with the neutral N,N-dimethylisopropylamine, protonated N,N-dimethylisopropylamine is a better methyl donor. These results indicate that protonation promotes the methyl migration between aliphatic amines both in the gas phase and in the aqueous solution. In addition, methyll transfer also exists between the protonated N,N-dimethylisopropylamine and some other nitrogen-containing compounds. Copyright (c) 2006 John Wiley & Sons, Ltd.
语种: 英语
相关网址: 查看原文
WOS记录号: WOS:000244211300009
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/19960
Appears in Collections:分析化学研究室_期刊论文

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Recommended Citation:
Zhang X,Wang HY,Liao YX,et al. Study of methylation of nitrogen-containing compounds in the gas phase[J]. J. Mass Spectrom.,2007,42(2):218-224.
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