Sodium carbonate-mediated facile synthesis of 4-substituted-2-(3,5- dimethylpyrazol-1-yl)thiazoles under solvent-free conditions
An efficient and facile synthesis of 4-substituted-2-(3,5-dimethylpyrazol- 1-yl)thiazoles 3 was achieved by grinding an equimolar mixture of -haloketones 2 with 3,5-dimethylpyrazol-1-thiocarboxamide 1 in the presence of sodium carbonate under the solvent-
Aggarwal, Ranjana,Kumar, Sunil,Singh, Shiv P.
p. 521 - 525,5
(2020/09/16)
Synthesis and phototoxicity of some 4-substituted 2-(pyrazol-1-yl)thiazoles
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Singh,Singh Tarar
p. 342 - 346
(2007/10/02)
Unexpected Formation of α-Thiocyanatoketones in Hantzsch Thiazole Synthesis
The reaction of 3,5-dimethylpyrazole-1-thiocarboxamide (3) with α-haloketones (4) yields the corresponding α-thiocyanatoketones (5) or pyrazoles (1) depending upon nature of the halogen.Many such pyrazole derivatives have erroneously been described as thiazolotriazepines in literature.
Singh, S. P.,Sehgal, Subhash,Singh, Lukhvinder,Dhawan, S. N.
p. 154 - 155
(2007/10/02)
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