Journal
MOLBANK
Volume 2023, Issue 2, Pages -Publisher
MDPI
DOI: 10.3390/M1657
Keywords
1; 2; 3-triazole; carbohydrazides; benzofuran; condensation; heterocycles; synthesis
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Equimolar equivalents of 1-(4-methoxyphenyl)-5-methyl-1H-1,2,3-triazole-4-carbohydrazide (1) and 2-acetylbenzofuran (2) reacted in anhydrous ethanol containing a catalytic amount of concentrated hydrochloric acid under reflux for 2 h to give (E)-N'-(1-(benzofuran-2-yl)ethylidene)-1-(4-methoxyphenyl)-5-methyl-1H-1,2,3-triazole-4-carbohydrazide (3) in 86% yield. The structure of compound 3 was confirmed using nuclear magnetic resonance and X-ray diffraction.
The reaction of equimolar equivalents of 1-(4-methoxyphenyl)-5-methyl-1H-1,2,3-triazole-4-carbohydrazide (1) and 2-acetylbenzofuran (2) in anhydrous ethanol containing a catalytic amount of concentrated hydrochloric acid under reflux for 2 h gave (E)-N'-(1-(benzofuran-2-yl)ethylidene)-1-(4-methoxyphenyl)-5-methyl-1H-1,2,3-triazole-4-carbohydrazide (3) in 86% yield. The structure of the title heterocycle 3 was confirmed using nuclear magnetic resonance and X-ray diffraction.
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