Spin-labelling of hydroxyl groups in polysaccharides
โ Scribed by Michael C. Cafe; Norman G. Pryce; Ian D. Robb
- Publisher
- Elsevier Science
- Year
- 1976
- Tongue
- English
- Weight
- 143 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0032-3861
No coin nor oath required. For personal study only.
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Application of 99% formic acid at 25 degrees formylates primary hydroxyl groups as shown by the easy formation of 6-O-formyl-D-glucopyranose and 6-O-formyl-D-fructofuranose, isolated as their tetra-acetates in yields of 77% and 31%, respectively. Likewise, D-glucitol gave the 2,3,4,5-tetra-O-acetyl-
The secondary isotope shift in 13 C-nmr spectra in water was used to obtain information on the interactions of hydroxyl groups with their environment in polysaccharides. Specifically, the possibility of detecting the preference of intramolecular hydrogen bonding with respect to solvation was investi