Electron density distributions in substituted 2,3,4,5-tetraphenyl-1-germacyclopenta-2,4-dienes studied by NMR spectroscopy
✍ Scribed by S. N. Tandura; S. P. Kolesnikov; K. S. Nosov; V. Ya. Lee; M. P. Egorov; O. M. Nefedov
- Book ID
- 105601546
- Publisher
- Springer
- Year
- 1997
- Tongue
- English
- Weight
- 299 KB
- Volume
- 46
- Category
- Article
- ISSN
- 1573-9171
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The conÐguration and conformation of cis/trans-3,4-dihydro-2-alkoxy-4-(alkylor aryl-substituted)-2H,5Hpyrano [ 3,2-c ] [1]benzopyran-5-one derivatives were studied by combined NMR and computational analyses. The cis/trans conÐgurational assignments of all diastereoisomers were achieved via 2D NOESY
## Abstract The formation of hydrogen bonds and molecular dynamics for the molecules __cis__‐1‐(2‐hydroxy‐5‐methylphenyl)ethanone oxime (**I**) and __N__‐(2‐hydroxy‐4‐methylphenyl)acetamide (**II**) have been investigated in solution using NMR. The results confirm the formation of OH···O, OH···N