13C- and 1H-NMR studies of osmoregulation in Dunaliella
β Scribed by Hadassa Degani; Ilene Sussman; Gunter A. Peschek; Mordhay Avron
- Book ID
- 119120104
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- English
- Weight
- 661 KB
- Volume
- 846
- Category
- Article
- ISSN
- 0167-4889
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## Abstract ^1^H NMR spectroscopy was used to determine the conformations of the aminoglycoside antibiotic __N__βdemethylclindamycin and two of its cyclic derivatives. The conformational features of these systems were determined by consideration of vicinal coupling constants and, in some cases, nuc
H and "C NMR studies of N-methyl-substituted hydroxamic acids, RCON(CH,)OH (R = CH,, C,H, and C6Hs), show that the series exhibits &-trans isomerism about the C-N bond. The Z/E ratio increases in the series CH, < C,H, < n-CsH,, < n-C,H,, for a given solvent, indicating that steric interaction betwee