Stability of peroxy radicals in the presence of transition metal ions. An ESR investigation
β Scribed by R.W. Brandon; C.S. Elliott
- Publisher
- Elsevier Science
- Year
- 1967
- Tongue
- French
- Weight
- 181 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0040-4039
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β¦ Synopsis
This pmliminaq ccnmunication desoribes the generationandstability of f-percxy radioals in non-aquecnm solvents. 4-&tyl and cursme hydroperoxides have been t-akenasmdel CampcrundsandEsR spectrawere reoordedwithaVarianVl&O2X-E!and speotrometer. Peroxide decomposition catalystsin the formof their ~phthenates, soaps,
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The internal motion of the cyclopentyl radical, trapped in a halocarbon matrix, CF,ClCFCI,, has been studied utilizing electron spin resonance (ESR) spectroscopy. The lineshapes of the ESR spectra corresponding to the radical exhibit an alternating linewidth effect in the temperature range 1 lo-135
## Abstract In the reactions of Grignard reagents and __n__βbutyllithium the presence of transition metals and complexing solvents facilitates the formation of anion radicals. High radical concentrations, observable for some days at laboratory temperature, and very well resolved e.s.r. spectra of t