0 'H-and 'W-NMR data and spectral assignments are reported for fenobam using noise modulated gated, single frequency off resonance, and single frequency selective proton decoupling techniques. Keyphrases 0 Fenobam-'H-and 13C-NMR spectroscopic analysis 0 'H-and 'T-NMR spectroscopy-analysis of fenoba
13C and1H NMR spectra of spiropiperidine alkaloids of Nitraria
β Scribed by A. A. Ibragimov; S. Yu. Yunusov
- Publisher
- Springer
- Year
- 1988
- Tongue
- English
- Weight
- 562 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0009-3130
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## Abstract The ^13^CβNMR spectra of four cyclopeptide alkaloids, namely zizyphineβA (**2**), amphibineβD (**3**), amphibineβE (**4**), and zizyphineβD (**5**), have been studied. Conclusions have been drawn concerning the conjugation in the alkoxystyrylamine unit present in these compounds.
Proton and carbon-13 spectra of benzyl compounds of the general formula (C,H,CH,),X with a large variety of X substituents have been measured. While a linear relationship between the CH, chemical shift and the substituent electronegativity was found both for lH and lac, large deviations from lineari