Twwlimensional 'H and 13C shiftcorrelated NMR experiments have been used for the unambiguous assignments of all proton and carbon chemical shifts of two cadinane and bicadinane.
Assignments of the 1H and 13C NMR resonances of C-nucleoside analogues by means of two-dimensional shift correlated NMR techniques
β Scribed by F. Dennin; O. Rousseaux; D. Blon-Deau; H. Sliwa
- Publisher
- John Wiley and Sons
- Year
- 1989
- Tongue
- English
- Weight
- 193 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0749-1581
No coin nor oath required. For personal study only.
β¦ Synopsis
28B-CH3
(o'900 pprn), indicating that the 1 , y.-Z, Chen, J,-M, Yue and S,-M, Hua, 5. T. Itoh, T. Tamu'ra and T. Matsumoto, side-chain can also rotate to the front of the
Gaodeng xuexiao Huaxue xuebao
Steroids 27, 275 (1 976). molecule but is still well away from ring A
π SIMILAR VOLUMES
## Abstract ^1^H NMR spectra of eight naturally occurring brassinosteroids, plant hormones with a steroid skeleton, and five synthetic analogues were analysed by COSY and longβrange COSY measurements. Based on the ^1^H resonances, the ^13^C signals were assigned by a combination of Cο£ΏH COSY and lon
## Abstract Three prenylflavanones, sigmoidins A, B and C, were studied using oneβ and twoβdimensional NMR techniques. The interpretation of these spectra led to the definitive assignments of all carbon and hydrogen chemical shifts.
H and 13C NMR signals were completely assigned for six 3a-and 6a-O-/?-~-glycosidic conjugates (glucosides, glucuronides and N-acetylglucosaminides) of hyodeoxycholic (3a,6a-dihydroxy-5/3-cholanoic) acid as their methyl ester-acetate derivatives (three being 3-glycosides and three corresponding 6-ana
The stereochemical and structural analysis of matrine was carried out using nuclear magnetic resonance spectroscopy. Several methods, including ' 3C-'H two-dimensional shift correlation spectroscopy, 'H-'H two-dimensional correlated spectroscopy and measurements of vicinal 'H-'H coupling constants w