Radicals from the reaction of photochemically generated a hydroxyalkyl radicals with some imidazoles: an in situ ESR study
Journal Article
·
· Radiat. Res.; (United States)
ESR spectra of short-lived radicals made by photolysis at room temperature of acidic alcoholic solutions of imidazole, 1-methylimidazole, and 4(5)-methylimidazole containing acetone or hydrogen peroxide have been studied. The ESR spectra are attributed to ..pi..-radicals formed by the addition of photochemically produced ..cap alpha..-hydroxyalkyl radicals on the C-2 position of the imidazolium cations. The hyperfine coupling constants are compared with values obtained from Hueckel and INDO MO calculations.
- Research Organization:
- Univ., Berlin, Germany
- OSTI ID:
- 6315301
- Journal Information:
- Radiat. Res.; (United States), Vol. 77:2
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
IMIDAZOLES
CHEMICAL REACTION KINETICS
PHOTOLYSIS
RADICALS
COUPLING CONSTANTS
ELECTRON SPIN RESONANCE
AZOLES
CHEMICAL REACTIONS
DECOMPOSITION
HETEROCYCLIC COMPOUNDS
KINETICS
MAGNETIC RESONANCE
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PHOTOCHEMICAL REACTIONS
REACTION KINETICS
RESONANCE
400500* - Photochemistry
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
IMIDAZOLES
CHEMICAL REACTION KINETICS
PHOTOLYSIS
RADICALS
COUPLING CONSTANTS
ELECTRON SPIN RESONANCE
AZOLES
CHEMICAL REACTIONS
DECOMPOSITION
HETEROCYCLIC COMPOUNDS
KINETICS
MAGNETIC RESONANCE
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PHOTOCHEMICAL REACTIONS
REACTION KINETICS
RESONANCE
400500* - Photochemistry