Accurate referencing of NMR spectra is of vital impor-latter compound is again strongly pH dependent. We have estimated the J factors for these substances (Table 1). Since tance for both reproducibility and correlation of chemical and structural properties to the chemical shift. The task is the geom
1H and 31P NMR spectra of substituted methylphosphonic acids with indirect determination of 31P shifts
โ Scribed by M. L. Rueppel; J. T. Marvel
- Publisher
- John Wiley and Sons
- Year
- 1976
- Tongue
- English
- Weight
- 191 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0749-1581
No coin nor oath required. For personal study only.
โฆ Synopsis
Abstract
Proton and phosphorus magnetic resonance spectra of substituted methylphosphonic acids have been determined as a function of pH. A method has been developed for measuring the ^31^P shift indirectly by optimal heteronuclear decoupling of the ^1^H spectra of samples and standards. Control experiments have demonstrated the broad applicability of this technique to the characterization of low milligram samples of Nโphosphonomethylglycine and potential metabolites.
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