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Updated: Jul 11, 2025

In Situ Monitoring of Diffusion of Guest Molecules in Porous Media Using Electron Paramagnetic Resonance Imaging
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In Situ Monitoring of Diffusion of Guest Molecules in Porous Media Using Electron Paramagnetic Resonance Imaging

Published on: September 2, 2016

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通过扩散NMR光谱学确定有机的尺寸

Svetlana Ivanova1,2, Paul Adamski1,2, Eva Köster1,2

  • 1Julius-Maximilians-Universität Würzburg, Institut für Organische Chemie, Am Hubland, 97074, Würzburg, Germany.

Chemistry (Weinheim an der Bergstrasse, Germany)
|November 15, 2023
PubMed
概括

这项研究引入了一种可靠的方法,使用1H-DOSY NMR来确定共价有机的尺寸. 这种技术有助于克服这些复杂分子的结构阐释中的模两可.

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The axial and equatorial protons in cyclohexane can be distinguished by performing a variable-temperature NMR experiment. In this process, except for one proton, the remaining eleven protons are replaced by deuterium. The deuterium substitution avoids the possible peak splitting caused by the spin-spin coupling between the adjacent protons. The remaining proton flips between the axial and equatorial positions.
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