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Updated: Jan 13, 2026

Using Cyclic Voltammetry, UV-Vis-NIR, and EPR Spectroelectrochemistry to Analyze Organic Compounds
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Using Cyclic Voltammetry, UV-Vis-NIR, and EPR Spectroelectrochemistry to Analyze Organic Compounds

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桥梁实验和计算:揭示使用ipepico光谱学对4-乙基瓜亚科尔和尤金醇基离子的新解离路径

Sandesh Gondarry1, Andras Bodi2, Paul M Mayer1

  • 1Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa K1N 6N5, ON, Canada.

The journal of physical chemistry. A
|January 7, 2026
PubMed
概括

这项研究使用了先进的光谱学来研究4 - 乙基瓜亚科尔和eugenol在电离后如何分解. 发现了新的反应途径,突出了实验数据在改进计算模型中的重要性.

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Ideally, an unpaired electron shows a single peak in the EPR spectrum due to the transition between the two spin energy states. However, coupling interactions can occur between the spins of the unpaired electron and any neighboring spin-active nuclei. This hyperfine coupling results in hyperfine splitting, where the EPR signal is split into multiplets. The signals split into 2nI + 1 peaks, where n is the number of equivalent nuclei and I is the nuclear spin. These splitting patterns provide...
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The ionization of a molecule into a molecular ion inside the mass spectrometer causes instability in the molecule's structure due to the loss of an electron. This eventually leads to the fragmentation or breaking of some bonds in the molecule. The fragmentation occurs predominantly at specific bonds to yield relatively stable fragments.
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The molecular ion peak of a molecule in the mass spectrum provides vital information for molecular identification. However, conventional electron impact ionization can lead to the rapid dissociation of some molecular ions before they reach the detector. A milder ionization method is required to increase the lifetime of such ionized analyte molecules. Chemical ionization (CI) is a gas-phase protonation reaction useful for mass-analyzing analyte molecules that are easily protonated to yield the...
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The molecular ions of cycloalkenes undergo fragmentation via a retro-Diels–Alder reaction.
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