Solid state hydrolysis of acetylanthranyl Assistance by hydrogen bonding
β Scribed by J. Vicens; M.C. Etter; L.A. Errede
- Book ID
- 104216996
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- French
- Weight
- 142 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0040-4039
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The 13 C cross-polarization magic angle spinning NMR spectra of N-( ) indicate a keto-hydroxy tautomerism of 1 but not of 2. This was confirmed by a single-crystal x-ray diffraction study of 1, which revealed that the two distinct molecules in the unit cell are linked by intermolecular hydrogen bon
## Abstract **Summary:** The structure and stability of hydrogen bonds in __Ξ±__βchitin were investigated by ^13^C solidβstate NMR measurements at different temperatures. Splitting of the carbonyl carbon signal for __Ξ±__βchitin was interpreted as two types of hydrogen bonding; the peaks at 173.5 and