(<i>E</i>)-1-(4-Methoxyphenyl)-5-methyl-4-(1-phenyl-4-((2-(2,4,6-trichlorophenyl)hydrazineylidene)methyl)-1<i>H</i>-pyrazol-3-yl)-1<i>H</i>-1,2,3-triazole

Abstract

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.

Keywords

• pyrazole-4-carbaldehyde
• 1,2,3-triazole
• (2,4,6-trichlorophenyl)hydrazine
• hydrazone
• X-ray diffraction
• synthesis