Reactivities and NMR spectra of vinyl ethers
β Scribed by Yuki, Heimei ;Hatada, Koichi ;Takeshita, Masatoshi
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1969
- Tongue
- English
- Weight
- 520 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0449-296X
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## Abstract The ^17^O NMR spectra of 58 Ξ±,Ξ²βunsaturated (vinyl) ethers were recorded in CDCl~3~ solution. The dependence of the chemical shift on the number and position of alkyl substituents in the vinyl moiety and on the nature and bulkiness of the alkoxy group was explored. The oxygen chemical s
The "0 NMR spectra of a number of heterocyclic vinyl ethers were recorded in CDCI, and DMSO-d, solutions. The oxygen chemical shifts reveal substantial differences in the strength of p-n conjugation between the five-and six-membered ring compounds, especially between those with an exocyclic C=C bond
The 17O NMR spectra of a number of alkyl-and phenyl-substituted divinyl ethers were recorded in CDCl 3 solution. The relationship between chemical shift and the number, nature and position of substituents was explored. The shift values, falling in the range d 100-140 ppm, were found to be remarkably