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Selective detection of the proton NMR spectra of molecules containing rare spins at natural abundance in liquid crystalline samples

Selective detection of the proton NMR spectra of molecules containing rare spins at natural abundance in liquid crystalline samples
Selective detection of the proton NMR spectra of molecules containing rare spins at natural abundance in liquid crystalline samples
It is shown that the proton NMR spectra of molecules containing rare spins at natural abundance dissolved in a liquid crystalline solvent can be obtained free from the strong lines from the spectrum of the abundant isotopomer by the 2D HSQC NMR experiment. The technique can also give the individual chemical shifts of the rare spins, and, for a molecule containing another abundant nucleus, such as fluorine, the rare spin-F-19 total anisotropic couplings are also obtained. The usefulness of the technique is demonstrated for molecules containing C-13 as the rare spins.
spectroscopy
303-310
Emsley, J.W.
9d219d5e-28c0-4a8c-bf3d-1f78cd707c17
Merlet, D.
54f566b9-f85e-4dce-94c4-045c19b294d3
Smith, K.J.
d1d1c25f-90bf-4177-8d1c-968c79afd891
Suryaprakash, N.
1f620178-e9fb-4a40-b87e-f34f07f9ba7f
Emsley, J.W.
9d219d5e-28c0-4a8c-bf3d-1f78cd707c17
Merlet, D.
54f566b9-f85e-4dce-94c4-045c19b294d3
Smith, K.J.
d1d1c25f-90bf-4177-8d1c-968c79afd891
Suryaprakash, N.
1f620178-e9fb-4a40-b87e-f34f07f9ba7f

Emsley, J.W., Merlet, D., Smith, K.J. and Suryaprakash, N. (2002) Selective detection of the proton NMR spectra of molecules containing rare spins at natural abundance in liquid crystalline samples. Journal of Magnetic Resonance, 154 (2), 303-310. (doi:10.1006/jmre.2001.2491).

Record type: Article

Abstract

It is shown that the proton NMR spectra of molecules containing rare spins at natural abundance dissolved in a liquid crystalline solvent can be obtained free from the strong lines from the spectrum of the abundant isotopomer by the 2D HSQC NMR experiment. The technique can also give the individual chemical shifts of the rare spins, and, for a molecule containing another abundant nucleus, such as fluorine, the rare spin-F-19 total anisotropic couplings are also obtained. The usefulness of the technique is demonstrated for molecules containing C-13 as the rare spins.

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More information

Published date: February 2002
Keywords: spectroscopy

Identifiers

Local EPrints ID: 19725
URI: http://eprints.soton.ac.uk/id/eprint/19725
PURE UUID: c0e852e7-0f3b-4288-adc3-b2139ea9327d

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Date deposited: 17 Feb 2006
Last modified: 08 Jan 2022 15:47

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Contributors

Author: J.W. Emsley
Author: D. Merlet
Author: K.J. Smith
Author: N. Suryaprakash

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