Abstract
An NMR method is reported that allows diastereomeric ratios to be determined even in crowded spectra or where chemical shift differences are small compared to multiplet widths. Band-selective pure shift NMR collapses multiplets to singlets, greatly improving spectral resolution while largely retaining, or even enhancing, signal-to-noise ratio.
Highlights
Diastereomeric ratio determination by high sensitivity band-selective pure shift NMR spectroscopy†
An NMR method is reported that allows diastereomeric ratios to be determined even in crowded spectra or where chemical shift differences are small compared to multiplet widths
Frederiksberg C, Denmark † Electronic supplementary information (ESI) available: Details of experimental and processing parameters used for NMR experiments, pulse sequence for interferogram-based band-selective pure shift NMR, and structures of the diastereomers
Summary
Diastereomeric ratio determination by high sensitivity band-selective pure shift NMR spectroscopy† An NMR method is reported that allows diastereomeric ratios to be determined even in crowded spectra or where chemical shift differences are small compared to multiplet widths.
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