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Synthesis and ESR investigation of new stable phenoxyl radicals and their complexes with transition metals based on 3-(3,5-di-tert-butyl-4-hydroxyanilino)-1-phenyl-2-propen-1-one

Journal Article · · J. Gen. Chem. USSR (Engl. Transl.); (United States)
OSTI ID:5353373
; ; ; ;
The oxidation of the title compound with PbO/sub 2/ in benzene or THF leads to the formation of the stable phenoxyl radical. The ESR spectrum of this radical consists of seven equidistant lines with relative intensities of 1:3:5:6:5:3:1. The hfs of the ESR spectrum of the radical arises from the interaction of the unpaired electron with two equivalent protons of the phenoxyl fragment (..cap alpha../sub H//sup m/ approx. = 1.1 Oe), with the hydrogen atom of the C/sup 1/H group (..cap alpha../sub H//sup C1H/ approx. = 2.2 Oe), and with nitrogen atom (..cap alpha../sub N/ approx. = 1.1 Oe), g 2.0043. The ESR spectrum of this radical remains substantially without change in the temperature range from -80 to +60/sup 0/C in toluene, hexane, and THF
Research Organization:
M. A. Suslov Rostov State Univ. (USSR)
OSTI ID:
5353373
Journal Information:
J. Gen. Chem. USSR (Engl. Transl.); (United States), Journal Name: J. Gen. Chem. USSR (Engl. Transl.); (United States) Vol. 56:2; ISSN JGCHA
Country of Publication:
United States
Language:
English

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Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
640302 -- Atomic
Molecular & Chemical Physics-- Atomic & Molecular Properties & Theory
74 ATOMIC AND MOLECULAR PHYSICS
AMINES
ANGULAR MOMENTUM
CHEMICAL REACTIONS
COMPLEXES
COMPLEXOMETRY
COPPER COMPLEXES
ELECTRON SPIN RESONANCE
EVEN-ODD NUCLEI
FURANS
HEAVY NUCLEI
HETEROCYCLIC COMPOUNDS
HYPERFINE STRUCTURE
INTERNAL CONVERSION RADIOISOTOPES
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
KETONES
MAGNETIC RESONANCE
MERCURY 199
MERCURY COMPLEXES
MERCURY ISOTOPES
MINUTES LIVING RADIOISOTOPES
NICKEL COMPLEXES
NUCLEI
ORGANIC COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
OXIDATION
PALLADIUM COMPLEXES
PARTICLE PROPERTIES
PHENOXY RADICALS
RADICALS
RADIOISOTOPES
RESONANCE
SPIN
STABLE ISOTOPES
TETRAHYDROFURAN
TRANSITION ELEMENT COMPLEXES