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Measurement of NOE Enhanced Coupled 13C NMR Spectra

2 Measurement of Proton-Decoupled 13C NMR spectra with Suppressed NOE [Pg.50]

Nuclear Overhauser enhancements and spin-lattice relaxation times are individual for each carbon. As a result, signal intensities cannot be evaluated from PFT 13C NMR spectra obtained with continuous proton broadband decoupling. [Pg.50]


Fig. 2.22. Measurement of NOE enhanced coupled 13C NMR spectra sample 2,4,6-trichloro-pyrimidine. 75% by vol. in hexadeuteriobenzene, 25 °C, 20 MHz ... Fig. 2.22. Measurement of NOE enhanced coupled 13C NMR spectra sample 2,4,6-trichloro-pyrimidine. 75% by vol. in hexadeuteriobenzene, 25 °C, 20 MHz ...

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13C NMR measurements

13C-NMR spectrum

13C-couplings

Coupled spectra

Enhancement spectra

Measurement of enhancement

Measurements of NOE

NMR coupling

NMR spectra enhanced

NOE

NOE enhancement

NOE spectrum

Spectra) coupling

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