High-resolution 1H MAS NMR study of anchored zirconium(IV) hydride complexes
โ Scribed by S.A. Vasnetsov; A.V. Nosov; V.M. Mastikhin; V.A. Zakharov
- Book ID
- 103693166
- Publisher
- Elsevier Science
- Year
- 1989
- Weight
- 299 KB
- Volume
- 53
- Category
- Article
- ISSN
- 0304-5102
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๐ SIMILAR VOLUMES
Ureido sugars with eight various alkyl groups at N-3 were studied by means of ~H, ~3C, and 15N NMR spectroscopy in CDC13 solution and a 13C CP MAS technique in the solid state. The analysis of chemical shifts and coupling constants suggests the Z,Z-anti conformation of the ureido part of molecule. D
## Abstract Molecular modeling by molecular mechanics (MM2) calculations were used to predict conformational preferences of cyclic __N__โnitrosamines. The results were compared with ^1^H NMR data. The observed geminal coupling constants ^2^__J__ were considerably stronger for __syn__ than for __ant