Investigation of the steric structure of optically active 2-(x-benzylidene)-p-menthan-3-ones by dipole-moment, PMR-spectral, and IR-spectral methods
Journal Article
·
· J. Gen. Chem. USSR (Engl. Transl.); (United States)
OSTI ID:5926449
On the basis of dipole-moment and PMR-spectral data the E configuration of the cinnamoyl fragment of molecules of optically active 2-benzylidene-p-menthan-3-ones was established. By means of PMR and IR spectroscopy experimental proofs were obtained of deviation from coplanarity of the separate parts of the cinnamoyl system in the molecules investigated. It was shown that the cinnamoyl fragment of the molecules of 2-benzylidene-p-menthan-3-ones is more aplanar than in the case of the model ..pi..-isoelectronic 2-benzylidenecyclo-hexanone systems. By means of PMR the preferential axial orientation of the methyl group and equatorial orientation of the isopropyl group in the cyclohexanone system of molecules of 2-benzylidene-p-methan-3-ones was established.
- Research Organization:
- A. M. Gor'kii Khar'kov State Univ., USSR
- OSTI ID:
- 5926449
- Journal Information:
- J. Gen. Chem. USSR (Engl. Transl.); (United States), Journal Name: J. Gen. Chem. USSR (Engl. Transl.); (United States) Vol. 57:2; 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
ATOMIC MODELS
BINDING ENERGY
CHARGE DISTRIBUTION
CHEMICAL SHIFT
CONFIGURATION INTERACTION
COUPLING
COUPLING CONSTANTS
DIPOLE MOMENTS
ELECTRON DENSITY
ELECTRONIC STRUCTURE
ENERGY
INFRARED SPECTRA
INTERMEDIATE COUPLING
J-J COUPLING
KETONES
MATHEMATICAL MODELS
MECHANICS
MOLECULAR MODELS
MOLECULAR STRUCTURE
MULTIPLETS
NMR SPECTRA
OPTICAL PROPERTIES
ORGANIC COMPOUNDS
PHYSICAL PROPERTIES
QUANTUM MECHANICS
SPECTRA
STEREOCHEMISTRY
STRUCTURAL CHEMICAL ANALYSIS
VALENCE
400201* -- Chemical & Physicochemical Properties
640302 -- Atomic
Molecular & Chemical Physics-- Atomic & Molecular Properties & Theory
74 ATOMIC AND MOLECULAR PHYSICS
ATOMIC MODELS
BINDING ENERGY
CHARGE DISTRIBUTION
CHEMICAL SHIFT
CONFIGURATION INTERACTION
COUPLING
COUPLING CONSTANTS
DIPOLE MOMENTS
ELECTRON DENSITY
ELECTRONIC STRUCTURE
ENERGY
INFRARED SPECTRA
INTERMEDIATE COUPLING
J-J COUPLING
KETONES
MATHEMATICAL MODELS
MECHANICS
MOLECULAR MODELS
MOLECULAR STRUCTURE
MULTIPLETS
NMR SPECTRA
OPTICAL PROPERTIES
ORGANIC COMPOUNDS
PHYSICAL PROPERTIES
QUANTUM MECHANICS
SPECTRA
STEREOCHEMISTRY
STRUCTURAL CHEMICAL ANALYSIS
VALENCE