High Resolution for Chemical Shifts and Scalar Coupling Constants: The 2D Real-Time J-Upscaled PSYCHE-DIAG.
Sebastian TassotiPredrag NovakCraig P ButtsZangger KlausPublished in: Chemphyschem : a European journal of chemical physics and physical chemistry (2018)
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.
Keyphrases
- high resolution
- room temperature
- magnetic resonance
- mass spectrometry
- energy transfer
- electron transfer
- high speed
- computed tomography
- tandem mass spectrometry
- magnetic resonance imaging
- quantum dots
- solid phase extraction
- molecularly imprinted
- highly efficient
- gold nanoparticles
- ionic liquid
- real time pcr
- metal organic framework
- liquid chromatography
- visible light
- simultaneous determination