Z,E-isomerism of fluorinated mono- and diacylhydrazines
β Scribed by I. D. Kalikhman; P. V. Makerov; E. N. Medvedeva; T. I. Yushmanova; V. A. Lopyrev
- Book ID
- 112443543
- Publisher
- Springer
- Year
- 1979
- Tongue
- English
- Weight
- 319 KB
- Volume
- 28
- Category
- Article
- ISSN
- 1573-9171
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π SIMILAR VOLUMES
1H and 15N NMR chemical shifts of 12 semicyclic amidinium salts are reported. Their E/Z equilibria in solution were analyzed by 1D and 2D 1H and 15N NMR techniques. In the solid state the Z-conΓguration is observed.
## Abstract The temperature and concentration dependence of the ^1^H NMR spectra of four anilinomethylenemalonic acid derivatives were determined in CDCl~3~ and DMSOβ__d__~6~ to assign the __E__β__Z__ isomers and to investigate the formation of intraβ and intermolecular hydrogen bonds. Chemical shi