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High Resolution for Chemical Shifts and Scalar Coupling Constants: The 2D Real‐Time J‐Upscaled PSYCHE‐DIAG (CROSBI ID 260691)

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Tassoti, Sebastian ; Novak, Predrag ; Butts, Craig ; Zangger, Klaus High Resolution for Chemical Shifts and Scalar Coupling Constants: The 2D Real‐Time J‐Upscaled PSYCHE‐DIAG // ChemPhysChem, 19 (2018), 22; 3166-3170. doi: 10.1002/cphc.201800746

Podaci o odgovornosti

Tassoti, Sebastian ; Novak, Predrag ; Butts, Craig ; Zangger, Klaus

engleski

High Resolution for Chemical Shifts and Scalar Coupling Constants: The 2D Real‐Time J‐Upscaled PSYCHE‐DIAG

The facile determination of chemical shift and scalar coupling constants in NMR spectra is often prevented by spectral overlap and limited resolution. Here, we present a high‐resolution NMR experiment for the simultaneous detection of both resonance frequencies and coupling patterns even with small J‐values. A PSYCHE‐decoupled DIAG (Pure Shift Yielded by Chirp Excitation‐ DIAGonal) experiment, which resolves chemical shift in the indirect dimension of a 2D experiment is combined with real‐time J‐upscaling in order to visualize small coupling constants that would otherwise be hidden in the linewidth of a regular proton or DIAG spectrum.

NMR spectroscopy, structure determination, scalar coupling, pure shift, homonuclear decoupling

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Podaci o izdanju

19 (22)

2018.

3166-3170

objavljeno

1439-4235

1439-7641

10.1002/cphc.201800746

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Kemija

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