The crystal structure of 5-(2-(4-fluorophenyl)hydrazono)-4-methyl-2-((3-(5-methyl-1-(4-methylphenyl)-1H-1,2,3-triazol-4-yl)-1-phenyl-1H-pyrazol-4-yl)methylene) hydrazono)-2,5-dihydrothiazole dimethylformamide monosolvate, C30H25FN10S⋅C3H7NO
“…In this paper, we report the synthesis and characterization of 2-cyano-3-(1-phenyl-3-(thiophen-2-yl)-1H-pyrazol-4-yl)acrylamide (3). The structures of several related compounds that contain the pyrazole and thiophene ring systems have been reported [23][24][25][26][27].…”
2-Cyano-3-(1-phenyl-3-(thiophen-2-yl)-1H-pyrazol-4-yl)acrylamide (3) was synthesized in 90% yield from condensation of equimolar equivalents of 1-phenyl-3-(thiophen-2-yl)-1H-pyrazole-4-carbaldehyde (1) and 2-cyanoacetamide (2) in boiling ethanol under basic condition for 45 min. The structure of 3 was determined using NMR spectroscopy and single crystal X-ray diffraction.
“…In this paper, we report the synthesis and characterization of 2-cyano-3-(1-phenyl-3-(thiophen-2-yl)-1H-pyrazol-4-yl)acrylamide (3). The structures of several related compounds that contain the pyrazole and thiophene ring systems have been reported [23][24][25][26][27].…”
2-Cyano-3-(1-phenyl-3-(thiophen-2-yl)-1H-pyrazol-4-yl)acrylamide (3) was synthesized in 90% yield from condensation of equimolar equivalents of 1-phenyl-3-(thiophen-2-yl)-1H-pyrazole-4-carbaldehyde (1) and 2-cyanoacetamide (2) in boiling ethanol under basic condition for 45 min. The structure of 3 was determined using NMR spectroscopy and single crystal X-ray diffraction.
The reaction of equimolar quantities of 3-(1-(4-methoxyphenyl)-5-methyl-1H-1,2,3-triazol-4-yl)-1-phenyl-1H-pyrazole-4-carbaldehyde and (2,4,6-trichlorophenyl)hydrazine in ethanol containing concentrated hydrochloric acid (0.2 mL; 37%) as a catalyst under reflux for 2 h yielded 1-(1-(benzofuran-2-yl)ethylidene)-2-(2,4,6-trichlorophenyl)hydrazine. The crude produced was purified by crystallization using dimethylformamide to provide the title heterocycle in a 95% yield. The structure of the newly synthesized heterocycle was confirmed through X-ray diffraction and spectral analyses.
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