Abstract
Low-power phase-modulated Lee-Goldburg homonuclear decoupling was used to record PDLF spectra of fluorine-substituted benzene derivatives dissolved in nematic thermotropic liquid crystalline solvents. The low-power decoupling minimizes sample heating during RF irradiation while still achieving highly resolved PDLF spectra. The method is illustrated by recording spectra for 1,3-dichloro-4-fluoro-5-nitrobenzene, 1,3-dichloro-4-fluorobenzene, and 1,2-difluorobenzene dissolved in different nematic solvents.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 52-59 |
| Number of pages | 8 |
| Journal | Journal of Magnetic Resonance |
| Volume | 158 |
| Issue number | 1-2 |
| DOIs | |
| State | Published - Nov 30 2002 |
| Externally published | Yes |
Keywords
- Heteronuclear spin-spin couplings
- Liquid crystalline solvents
- Multiple pulse sequence
- NMR
- PDLF
- Phase-modulated Lee-Goldburg
- PMLG
- Proton-detected local field
ASJC Scopus subject areas
- Molecular Biology
- Physical and Theoretical Chemistry
- Spectroscopy
- Radiology Nuclear Medicine and imaging
- Condensed Matter Physics
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Marjanska, M., Castiglione, F., Walls, J. D., & Pines, A. (2002). Measurement of dipolar couplings in partially oriented molecules by local field NMR spectroscopy with low-power decoupling. Journal of Magnetic Resonance, 158(1-2), 52-59. https://doi.org/10.1016/S1090-7807(02)00059-9