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- Title
Towards perfect NMR: Spin‐echo versus perfect‐echo building blocks.
- Authors
Parella, Teodor
- Abstract
The development of new tools to improve the quality of nuclear magnetic resonance (NMR) spectra is a challenging task. The concept of "perfect NMR" includes the design of robust pulse sequences that allow an investigator to obtain undistorted pure in‐phase signals, with pure absorption lineshapes that are free of phase anomalies derived from undesired J modulations. Here, alternative NMR building blocks to the spin‐echo that are based on a general double SE module, known as a perfect‐echo, are reviewed. Several implementations to minimize/remove unwanted dispersive contributions in homonuclear and heteronuclear NMR experiments are described and illustrated with some examples of broad interest for small molecules. The concept of "perfect NMR" includes the design of robust pulse sequences that allow obtaining undistorted pure in‐phase signals, with pure absorption lineshapes and free of phase anomalies derived from undesired J modulations. Here, alternative NMR building blocks to spin‐echo which are based on a general double SE module, known as perfect‐echo, are reviewed. Several implementations to minimize/remove unwanted dispersive contributions in homonuclear and heteronuclear NMR experiments are described and illustrated with some examples of broad interest for small molecules.
- Subjects
NUCLEAR magnetic resonance spectroscopy; NUCLEAR spectroscopy; MAGNETIC equivalence; SMALL molecules; MOLECULES
- Publication
Magnetic Resonance in Chemistry, 2019, Vol 57, Issue 1, p13
- ISSN
0749-1581
- Publication type
Article
- DOI
10.1002/mrc.4776