13C Satellite-Free 1H NMR Spectra | Zendy

Pinelopi Moutzouri | Zendy; P. Király | Zendy; Andrew R. Phillips | Zendy; Steven R. Coombes | Zendy; Mathias Nilsson | Zendy; Gareth A. Morris | Zendy

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¹³C Satellite-Free ¹H NMR Spectra

Author(s) -

Pinelopi Moutzouri,

P. Király,

Andrew R. Phillips,

Steven R. Coombes,

Mathias Nilsson,

Gareth A. Morris

Publication year - 2017

Publication title -

analytical chemistry

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 2.117

H-Index - 332

eISSN - 1520-6882

pISSN - 0003-2700

DOI - 10.1021/acs.analchem.7b03787

Subject(s) - chemistry , decoupling (probability) , spectral line , carbon 13 , natural abundance , satellite , masking (illustration) , carbon 13 nmr , analytical chemistry (journal) , signal to noise ratio (imaging) , nuclear magnetic resonance , nuclear physics , physics , stereochemistry , optics , mass spectrometry , art , astronomy , control engineering , engineering , visual arts , chromatography

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 13 C satellite signals in 1 H spectra. Since the natural abundance of 13 C 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 13 C 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 13 C decoupling.

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