13 C Satellite-Free 1 H NMR Spectra

Analytical Chemistry
Pinelopi MoutzouriG A Morris

Abstract

A new NMR experiment (Destruction of Interfering Satellites by Perfect Echo Low-pass filtration, DISPEL) is introduced that facilitates the analysis of low-level components in high dynamic range mixtures by suppressing one-bond 13C satellite signals in 1H spectra. Since the natural abundance of 13C is around 1.1%, these satellites appear at 0.54% of the intensity of a parent peak, mimicking and often masking impurity signals. The new experiment suppresses one-bond 13C satellite signals, with high efficiency, at negligible cost in signal-to-noise ratio, and over a wide range of one-bond coupling constants, without the need for broadband 13C decoupling.

Associated Datasets

Oct 26, 2017·Gareth MorrisMathias Nilsson

References

May 23, 1998·NMR in Biomedicine·R Freeman, E Kupce
Sep 2, 2003·Angewandte Chemie·Michael J Thrippleton, James Keeler
Jan 21, 2006·Magnetic Resonance in Chemistry : MRC·Nils T Nyberg, Ole W Sørensen
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Dec 7, 2011·Chemical Communications : Chem Comm·Juan A AguilarGareth A Morris
Apr 23, 2015·Magnetic Resonance in Chemistry : MRC·Laura Castañar, Teodor Parella
Jan 21, 2016·Chemical Communications : Chem Comm·J E PowerG A Morris
May 4, 2016·Chemical Communications : Chem Comm·Jane E PowerGareth A Morris
Dec 3, 2016·Chemical Communications : Chem Comm·Pinelopi MoutzouriGareth A Morris

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Citations

Jun 22, 2018·Magnetic Resonance in Chemistry : MRC·Teodor Parella
Jul 28, 2019·Magnetic Resonance in Chemistry : MRC·Peter W A Howe
Dec 11, 2020·Analytical Chemistry·Adilah BahadoorJeremy E Melanson

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