1,3-Dipolar cycloaddition of diazomethane to element-substituted (Si, Ge, Sn)-alkoxyacetylenes
Journal Article
·
· J. Gen. Chem. USSR (Engl. Transl.); (United States)
OSTI ID:5795544
1,3-Dipolar cycloaddition of diazomethane to the triple bond of trialkylsilyl-, trialkylgermyl-, and trialkylstannylalkoxyacetylenes proceeds regioselectivity and is a convenient method for synthesis of the previously not described 3(5)-element-substituted 4-alkoxypyrazoles. When heated in methanol in the presence of an acid, 3(5)-silyl(germyl)-4-alkoxypyrazoles are slowly hydrolyzed with cleavage of the element-carbon bond.
- Research Organization:
- M. V. Lomonosov Moscow State Univ., USSR
- OSTI ID:
- 5795544
- Journal Information:
- J. Gen. Chem. USSR (Engl. Transl.); (United States), Journal Name: J. Gen. Chem. USSR (Engl. Transl.); (United States) Vol. 55:9; 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
ALKANES
ALKOXIDES
ALKYNES
AZOLES
CHEMICAL REACTIONS
CHEMICAL SHIFT
CHLORINATED ALIPHATIC HYDROCARBONS
CHLOROFORM
COMPLEXES
DECOMPOSITION
DEHYDROCYCLIZATION
DEUTERIUM COMPOUNDS
DIAZO COMPOUNDS
GERMANIUM COMPLEXES
HALOGENATED ALIPHATIC HYDROCARBONS
HETEROCYCLIC COMPOUNDS
HYDROCARBONS
HYDROGEN COMPOUNDS
HYDROLYSIS
HYPERFINE STRUCTURE
INFRARED SPECTRA
LYSIS
NMR SPECTRA
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANOMETALLIC COMPOUNDS
PYRAZOLES
SILICON COMPLEXES
SOLVOLYSIS
SPECTRA
SYNTHESIS
TIN COMPLEXES
400201* -- Chemical & Physicochemical Properties
640302 -- Atomic
Molecular & Chemical Physics-- Atomic & Molecular Properties & Theory
74 ATOMIC AND MOLECULAR PHYSICS
ALKANES
ALKOXIDES
ALKYNES
AZOLES
CHEMICAL REACTIONS
CHEMICAL SHIFT
CHLORINATED ALIPHATIC HYDROCARBONS
CHLOROFORM
COMPLEXES
DECOMPOSITION
DEHYDROCYCLIZATION
DEUTERIUM COMPOUNDS
DIAZO COMPOUNDS
GERMANIUM COMPLEXES
HALOGENATED ALIPHATIC HYDROCARBONS
HETEROCYCLIC COMPOUNDS
HYDROCARBONS
HYDROGEN COMPOUNDS
HYDROLYSIS
HYPERFINE STRUCTURE
INFRARED SPECTRA
LYSIS
NMR SPECTRA
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANOMETALLIC COMPOUNDS
PYRAZOLES
SILICON COMPLEXES
SOLVOLYSIS
SPECTRA
SYNTHESIS
TIN COMPLEXES