Intramolecular hydrogen bond and structure of stereoisomericα,β-dihydroxypiperidinecarbonitriles
✍ Scribed by N. I. Garbuz; F. F. Lakhvich; L. S. Stanishevskii
- Book ID
- 110621463
- Publisher
- Springer US
- Year
- 1998
- Tongue
- English
- Weight
- 295 KB
- Volume
- 65
- Category
- Article
- ISSN
- 0021-9037
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## Abstract Accurate estimation of individual intramolecular hydrogen bond (H‐bond) energies is an intricate task for multiply H‐bonded systems. In such cases, the hydrogen bond strengths could be highly influenced by the cooperative interactions, for example, those between hydroxyl groups in sugar
The crystal structure of panose, O-alpha-D-glucopyranosyl-(1----6)-O-alpha-D-glucopyranosyl-(1----4)-D-gl ucose, C18H32O16, has been refined using low-temperature, 123 K, CuK alpha X-ray data. Difference syntheses and least-squares refinement showed a 16% substitution of alpha-panose by the beta ano