13C magnetic resonance of some cis and trans substituted ethylene phosphines
✍ Scribed by Marie-Paule Simonnin; Rose-Marie Lequan; Félix W. Wehrli
- Book ID
- 104236665
- Publisher
- Elsevier Science
- Year
- 1972
- Tongue
- French
- Weight
- 182 KB
- Volume
- 13
- Category
- Article
- ISSN
- 0040-4039
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## Abstract ^13^C n.m.r. spectra of some substituted isoxazoles have been examined to ascertain the reactive site in the metallation of 4‐substituted 3,5‐dimethylisoxazoles. The results obtained indicate that metallation occurred exclusively at the C‐5 methyl.
The NMR spectra of a number of octadecadiynoic acids and of the derived cis, cis-and trans, trans-octadecadienoates have been studied using a 100 MHz instrument. Characteristic spectral features associated with the number of methylene groups between the two unsaturated centres are described. In diun