Efficient Synthesis and Antimicrobial Activities of Long Alkyl Chain Trifluoromethyl1H-pyrazol-1-(thio)carboxamides and Trifluoromethyl-1H-pyrazol-1-yl-thiazoles
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DOI: 10.21577/0103-5053.20200241
Abstract: The synthesis of 3-alkyl-5-trifluoromethyl-1Hpyrazole-1-carboxamides, 3-alkyl5-trifluoromethyl-1H-pyrazole-1-thiocarboxamides, and 2-(3-alkyl-5-trifluoromethyl-1H-pyrazol1-yl)-thiazoles derivatives are reported. [3 + 2] cyclocondensations for a series of long alkyl chain 1,1,1-trifluoro-4-methoxyalk-3-en-2-ones and semicarbazide or thiosemicarbazide were carried out in ethanol, an eco-friendly medium. The… read more here.
Keywords: long alkyl; pyrazol thiazoles; alkyl chain; trifluoromethyl pyrazol ... See more keywords
Synthesis and Characterization of Novel 2-(1,2,3-Triazol-4-yl)-4,5-dihydro-1H-pyrazol-1-yl)thiazoles and 2-(4,5-Dihydro-1H-pyrazol-1-yl)-4-(1H-1,2,3-triazol-4-yl)thiazoles
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DOI: 10.3390/molecules27248904
Abstract: Reactions of 1-(5-methyl)-1H-1,2,3-triazol-4-yl)ethan-1-ones and benzaldehydes in ethanol under basic conditions gave the corresponding chalcones. Reactions of the chalcones combined with thiosemicarbazide in dry ethanol containing sodium hydroxide afforded the corresponding pyrazolin-N-thioamides. Reactions of the synthesized… read more here.
Keywords: triazol dihydro; pyrazol triazol; dihydro pyrazol; novel triazol ... See more keywords