ArticleMagnetic resonance in chemistry : MRC2025
On the Use of Strong Proton Donors as a Tool for Overcoming Line Broadening in NMR: A Comment.
Article in Magnetic resonance in chemistry : MRC, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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2 citing papers in PubMed.
- NMR and DFT Studies on Solvation Phenomena in Bioorganic Molecules, Natural Products and Model Compounds: Current and Future Perspectives for Atomic-Level Structures and Mechanistic Catalytic Reactions.Molecules (Basel, Switzerland) · 2026Article
- New Insights into Nuclear Magnetic Resonance (NMR) Spectroscopy.Molecules (Basel, Switzerland) · 2025Article
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7 authors.
Funding
Abstract
Overcoming line broadening of labile protons and achieving high-resolution NMR spectra is crucial for the structural and conformational analysis of organic molecules. Recently, Ma et al. (Magn. Reson. Chem. 2024, 62, 198-207) demonstrated the effectiveness of 2,2,2-trifluoroacetic acid (TFA) in sharpening NMR signals for nitrogen-containing compounds which exhibit prototropic tautomerization or conformational isomerism using high molar ratio of [acids]/[solute] ~ 5 to 200. In this commentary, we provide an overview of earlier publications and highlight the extensive applications of TFA in enhancing NMR resolution across a variety of organic functional groups, with the use of very small ratios of [acids]/[solute] ~ 10
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