Formaldehyde in the synthesis of nitroxyl biradicals
Journal Article
·
· Bull. Acad. Sci. USSR, Div. Chem. Sci. (Engl. Transl.); (United States)
OSTI ID:6227495
Methylenebispiperidonoxyl biradicals are formed upon the condensation of 2,2,6,6-tetramethyl-4-oxopiperidin-1-oxyl with formaldehyde in mole ratio from 1:0.5 to 1:1.5 in aqueous alkaline medium. 3-Methylene-2,2,6,6-tetramethyl-4-oxopiperidin-1-oxyl radicals dimerize upon prolonged standing through a Diels-Alder reaction, while they undergo Michael self-condensation in dilute aqueous alkaline medium.
- Research Organization:
- Institute of Chemical Physics, Moscow, USSR
- OSTI ID:
- 6227495
- Journal Information:
- Bull. Acad. Sci. USSR, Div. Chem. Sci. (Engl. Transl.); (United States), Journal Name: Bull. Acad. Sci. USSR, Div. Chem. Sci. (Engl. Transl.); (United States) Vol. 35:8; ISSN BACCA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ALDEHYDES
AMINES
AZINES
CHEMICAL REACTIONS
CHROMATOGRAPHY
COHERENT SCATTERING
DEHYDROCYCLIZATION
DIELS-ALDER REACTION
DIFFRACTION
DIMERIZATION
ELECTRON SPIN RESONANCE
FORMALDEHYDE
HALOGENATED ALIPHATIC HYDROCARBONS
HETEROCYCLIC COMPOUNDS
INFRARED SPECTRA
IODINATED ALIPHATIC HYDROCARBONS
MAGNETIC RESONANCE
NMR SPECTRA
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC IODINE COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PIPERIDINES
POLYMERIZATION
PYRIDINES
RADICALS
RESONANCE
SCATTERING
SEPARATION PROCESSES
SPECTRA
STRUCTURAL CHEMICAL ANALYSIS
SYNTHESIS
X-RAY DIFFRACTION
400201* -- Chemical & Physicochemical Properties
ALDEHYDES
AMINES
AZINES
CHEMICAL REACTIONS
CHROMATOGRAPHY
COHERENT SCATTERING
DEHYDROCYCLIZATION
DIELS-ALDER REACTION
DIFFRACTION
DIMERIZATION
ELECTRON SPIN RESONANCE
FORMALDEHYDE
HALOGENATED ALIPHATIC HYDROCARBONS
HETEROCYCLIC COMPOUNDS
INFRARED SPECTRA
IODINATED ALIPHATIC HYDROCARBONS
MAGNETIC RESONANCE
NMR SPECTRA
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC IODINE COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PIPERIDINES
POLYMERIZATION
PYRIDINES
RADICALS
RESONANCE
SCATTERING
SEPARATION PROCESSES
SPECTRA
STRUCTURAL CHEMICAL ANALYSIS
SYNTHESIS
X-RAY DIFFRACTION