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Monitoring intramolecular proton transfer with ion mobility-mass spectrometry and in-source ion activation
Chemical Communications ( IF 4.3 ) Pub Date : 2023-01-23 , DOI: 10.1039/d2cc05237g
Younes Valadbeigi 1 , Tim Causon 1
Affiliation  

Here, we show how intramolecular proton transfer can be induced and monitored with the example of polycyclic aromatic amines using in-source ion-activation and ion mobility-mass spectrometry. Experiment and DFT calculations reveal that the protonation rate of C-atoms in aromatic rings is controlled by the energy barrier of intramolecular NH3+ → C proton transfer.

中文翻译:

用离子淌度-质谱法和源内离子激活监测分子内质子转移

在这里,我们展示了如何使用源内离子活化和离子淌度质谱法以多环芳胺为例来诱导和监测分子内质子转移。实验和DFT计算表明,芳环中C原子的质子化速率受分子内NH 3 + → C质子转移的能垒控制。
更新日期:2023-01-24
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