cas 694-48-4, 1,3-Dimethylpyrazole | Articles data ｜lookchem

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694-48-4

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Chromatographic component of identification of the transformation products of 1,1-dimethylhydrazine in the presence of sulfur
The gas-chromatographic retention indices of the products of 1,1-dimethylhydrazine transformations in the presence of sulfur allows one to confirm and, in ceratin cases, make more exact the results of their gas chromatography-mass spectrometry identificat
Zenkevich,Ul'Yanov,Golub,Buryak
p. 1106 - 1114
(2014/08/05)

1-Alkylpyrazoles and 1-alkyl-5-chloropyrazoles from halovinyl ketones and 1,1-dialkylhydrazines
Regioselective heterocyclization of alkyl 2-chloro-and 2,2-dichlorovinyl ketones with 1,1-dialkyl-hydrazines to 1,3-dialkyl-1H-pyrazoles and 1,3-dialkyl-5-chloro-1H-pyrazoles involves intermediate formation of the corresponding dialkylhydrazones. Fragment
Bozhenkov,Savosik,Klyba,Zhanchipova,Mirskova,Levkovskaya
experimental part
p. 1194 - 1199
(2009/09/29)

New synthesis and properties of 3-alkyl-, 3-chloroalkyl-, 3-perfluoroalkyl-, and 3-aryl-1-methyl-(5-halo)pyrazoles from chloro(bromo) vinyl ketones and N,N-dimethylhydrazine
A new regioselective heterocyclization was revealed in the reaction of 2-chloro- and 2,2-dichloro-(bromo)vinyl ketones with N,N-dimethylhydrazine to afford 3-substituted 1-methyl(5-halo)pyrazoles. The reaction is accompanied by elimination of methyl halide and formation of up to 90% of N,N,N-trimethylhydrazinium halide as the second product.
Levkovskaya,Bozhenkov,Larina,Mirskova
p. 1501 - 1506
(2007/10/03)

Synthesis of pyrazole derivatives from 1,1-dimethylhydrazine and chlorovinyl ketones
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Levkovskaya,Bozhenkov,Malyushenko,Mirskova
p. 1795 - 1796
(2007/10/03)

Systemic fungicides. The synthesis of certain pyrazole analogues of carboxin
-
Huppatz
p. 135 - 147
(2007/10/02)

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Chemical Properties

Melting Point: 82.75°C (estimate)
Boiling Point: 153 °C at 760 mmHg
Flash Point:38.6 °C
Density: 0.98 g/cm³
Solubility:Chloroform (Sparingly)
Storage Temp.:Room temperature.
Vapor Pressure: 7.74mmHg at 25°C
Refractive Index: 1.518
PKA: 2.72±0.10(Predicted)
PSA: 17.82000
LogP: 0.72850

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