Three known bisabolane hydrocarbons, a-trans -bergamotene, sesquiphellandrene and zingiberene, were isolated from the aerial parts of Alpinia densibracteata . Their 1H and 13C NMR spectra were completely assigned by using a combination of 13C DEPT and 2D-NMR experiments (1H-1H COSY, single-bond 13C-
Total Assignment of 1H and 13C NMR Chemical Shifts of a Natural Anthocyanidin, Apigeninidin, Using Two-Dimensional COLOC and HMBC Techniques
β Scribed by Marie Kouda-Bonafos; Mouhoussine Nacro; Bernard Ancian
- Publisher
- John Wiley and Sons
- Year
- 1996
- Tongue
- English
- Weight
- 210 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0749-1581
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β¦ Synopsis
The 'H and "C NMR spectra of apigeninidin chloride were assigned utilizing the two-dimensional 6,, S, correlation and COLOC and HBMC techniques. The full 13C NMR data are reported for the first time. A good correlation was found between 13C chemical shifts and carbon charge obtained by AM1 calculation.
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