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Synthesis of 3-cyano-4-aryl-5-ethoxycarbonyl-6-methyl-3,4-dihydropyridine-2-thiones

Journal Article · · Chem. Heterocycl. Compd. (Engl. Transl.); (United States)
DOI:https://doi.org/10.1007/BF00505906· OSTI ID:6084914
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The condensation of ethyl arylidenacetoacetate with cyanothioacetamide and of arylidenecyanothioacetamides with ethyl acetoacetate or of arylidenecyanothioacetamides with ethyl ..beta..-aminocrotonate gave 3-cyano-4-aryl-5-ethoxycarbonyl-6-methyl-3,4-dihydropyridine-2-thiones. PMR spectroscopy showed that the 3-cyano-4-aryl-3,4-dihydro-pyridine-2-thiones are formed as a mixture of cis and trans isomers.

Research Organization:
Institute of Organic Synthesis, Riga, USSR
OSTI ID:
6084914
Journal Information:
Chem. Heterocycl. Compd. (Engl. Transl.); (United States), Journal Name: Chem. Heterocycl. Compd. (Engl. Transl.); (United States) Vol. 21:6; ISSN CHCCA
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
ACETIC ACID ESTERS
ACETOACETATES
AMIDES
AZINES
BOND ANGLE
BOND LENGTHS
CARBON 13
CARBON ISOTOPES
CARBOXYLIC ACID ESTERS
CARBOXYLIC ACID SALTS
CHEMICAL REACTIONS
CHEMICAL SHIFT
COUPLING
COUPLING CONSTANTS
DEHYDROCYCLIZATION
DEUTERIUM COMPOUNDS
DIMENSIONS
ENERGY LEVELS
ESTERS
EVEN-ODD NUCLEI
EXCITED STATES
HETEROCYCLIC COMPOUNDS
HYDROGEN 1
HYDROGEN COMPOUNDS
HYDROGEN ISOTOPES
INFRARED SPECTRA
INTERMEDIATE COUPLING
ISOMERS
ISOTOPES
J-J COUPLING
LENGTH
LIGHT NUCLEI
MOLECULAR STRUCTURE
NMR SPECTRA
NUCLEI
ODD-EVEN NUCLEI
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC SULFUR COMPOUNDS
POLYCYCLIC SULFUR HETEROCYCLES
PYRIDINES
SPECTRA
STABLE ISOTOPES
STEREOCHEMISTRY
STRUCTURAL CHEMICAL ANALYSIS
SYNTHESIS
ULTRAVIOLET SPECTRA
VIBRATIONAL STATES