The NaBH4 or enzymatic reduction of 2-methyl-2-nitrosopropane results in a four-line ESR spectrum due to t-butyl hydronitroxide. This spectrum is identical to a previously reported ESR spectrum (C.S.Lai and L.H. Piette, Tet. Letters, 2, 775 (1979)) obtained during a Fenton reaction using 2-methyl-2-
Hydrogen abstraction in the photolysis of aromatic nitroso spin traps
β Scribed by Detlef Rehorek; Edward G. Janzen
- Publisher
- Elsevier Science
- Year
- 1986
- Weight
- 190 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0047-2670
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## Abstract Photolysis of trifluoromethyl ketones (TFMKs) 1aβ1e __versus__ the nonβfluorinated ketones 2aβ2b in the presence of radical initiators by electron paramagnetic resonance spectroscopy has been studied for the first time. The transient radicals generated after irradiation of the ketones w
The difficulties inherent in characterising reactive free radicals by electron spin resonance can often be avoided by the use of a 'spin trapping' technique. The method is based on the conversion of transient radicals to long-lived paramagnetic species by their addition to a diamagnetic scavenger,