/sup 13/C NMR spectra of cyclic nitrones. 1. 2-substituted 4-methyl- and 4-phenyl-1-hydroxy-5,5-dimethyl-3-imidazoline 3-oxides

Journal Article · Thu Aug 01 00:00:00 EDT 1985 · Chem. Heterocycl. Compd. (Engl. Transl.); (United States)

DOI:https://doi.org/10.1007/BF00504211· OSTI ID:6181314

Grigor'ev, I A; Martin, V V; Shchukin, G I; Mamatyuk, V I; Volodarskii, L B

The introduction of an N-oxide oxygen atom into azomethines leads to an upfield shift of the signals for the carbon atom of the C=N group in the /sup 13/C NMR spectra by 30-33 ppm. This is consistent with the increase in the electron density on this atom. The signal of the nitrone carbon atom is observed in the region of 140-147 ppm, depending on the nature of the substituent at the C/sub (2)/ atom of the 3-imidazoline 3-oxide ring.

• Research Organization: Novosibirsk Institute of Organic Chemistry, USSR
• OSTI ID: 6181314
• Journal Information: Chem. Heterocycl. Compd. (Engl. Transl.); (United States), Journal Name: Chem. Heterocycl. Compd. (Engl. Transl.); (United States) Vol. 21:2; ISSN CHCCA
• Country of Publication: United States
• Language: English

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
ACTIVATION ENERGY
ALKALI METAL COMPOUNDS
AZOLES
BINDING ENERGY
BOROHYDRIDES
BORON COMPOUNDS
CARBON 13
CARBON ISOTOPES
CATALYTIC EFFECTS
CHALCOGENIDES
CHARGE DISTRIBUTION
CHEMICAL SHIFT
COUPLING
COUPLING CONSTANTS
ELECTRON DENSITY
ELECTRONIC STRUCTURE
ENERGY
EVEN-ODD NUCLEI
HETEROCYCLIC COMPOUNDS
HYDROGEN COMPOUNDS
HYPERFINE STRUCTURE
IMIDAZOLES
INTERMEDIATE COUPLING
ISOTOPES
J-J COUPLING
LIGHT NUCLEI
MECHANICS
MOLECULAR ORBITAL METHOD
MOLECULAR STRUCTURE
NMR SPECTRA
NUCLEI
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
QUANTUM MECHANICS
SODIUM COMPOUNDS
SPECTRA
STABLE ISOTOPES
STRUCTURAL CHEMICAL ANALYSIS
SYNTHESIS
VALENCE