In addition to 1D NMR methods and 2D shift-correlated NMR techniques (COSY and HETCOR), spin-spin simulation and MMX calculations, to obtain the minimum energy conformation structure, were used for the complete 1 H and 13 C NMR assignments of stephalic acid.
1H and 13C NMR spectra for a series of arylmaleamic acids, arylmaleimides, arylsuccinamic acids and arylsuccinimides
✍ Scribed by José Trujillo-Ferrara; Rosa Santillan; Hiram I. Beltrán; Norberto Farfán; Herbert Höpfl
- Publisher
- John Wiley and Sons
- Year
- 1999
- Tongue
- English
- Weight
- 63 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0749-1581
No coin nor oath required. For personal study only.
✦ Synopsis
The 1 H and 13 C NMR spectra of 17 succinic anhydride derivatives and 25 maleic anhydride derivatives were completely assigned using one-and two-dimensional NMR techniques.
📜 SIMILAR VOLUMES
H and 13C N M R spectral data for several imidazo[1,2-a]pyrazines were determined. The chemical shift assignments were based on HETCOR and COLOC spectra for some model compounds.
The complete assignment of the proton and carbon NMR spectra for ikarisoside A and epimedoside C from the aerial parts of Epimedium koreanum were achieved using the concerted application of one-and two-dimensional NMR techniques including COSY and HMBC spectroscopy. The parameters previously reporte
NMR spectra of bimakalin and its photodimer were analysed with 1D and 2D techniques. 1H and 13C data were assigned and are reported. The structure of the dimer and the stereochemistry of the cyclobutane ring were determined.