13C-NMR Spectral study of possible metastable states of glycophorin A
β Scribed by Robert E. Hardy; Kilian Dill
- Book ID
- 113263820
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- English
- Weight
- 187 KB
- Volume
- 708
- Category
- Article
- ISSN
- 0167-4838
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Natural-abundance, 13C-n.m.r. spectroscopy was used to study the binding of Gd3 + to glycophorin, and also to the tetrasaccharides isolated from glycophorin after treatment of the glycoprotein with NaOH-NaBH,. Gd3+ binds to the tetrasaccharide (both in the isolated, reduced form and when still attac
## Abstract The ^13^C NMR chemical shifts of nine acetoxyxanthones are reported and identified. The acetoxy substituent effects have been evaluated and the corresponding shift increments proposed.
&&act-The '%ZNMR chemical shifts of eleven hydroxy-, two hydroxymethoxy xanthones, and xanthone-C-gfucoside, mangiferin. arc presented and analyzed. Hydroxy substituent effects depending on substituent lxmition as well as on shielded ring carbon position have been evaluated. Hydroq substituent incre