Synthesis of 4-(1H-Azol-1-ylmethyl)benzohydrazides and Their Acyclic and Heterocyclic Derivatives
作者:V. A. Osyanin、P. P. Purygin、Z. P. Belousova
DOI:10.1007/s11176-005-0180-7
日期:2005.1
4-(1H-Azol-1-ylmethyl)benzohydrazides were prepared from methyl 4-(bromomethyl)benzoate, azoles, and hydrazine hydrate. Reactions of 4-(1H-imidazol-1-ylmethyl)benzohydrazide with carbonyl compounds gave hydrazones whose tautomerism was studied. From the hydrazides, 1,3,4-oxadiazoles, 1,2,4-triazole- 5-thione, and N-benzoyl-N′-alkyl(aryl)sulfonylhydrazines were synthesized.
4-(1H-吡唑-1-基甲基)苯并酰肼类化合物由甲基4-(溴甲基)苯甲酸酯、吡唑和肼水合物制备得到。4-(1H-咪唑-1-基甲基)苯并酰肼与羰基化合物反应生成脎,并研究了其互变异构现象。从这些酰肼出发,合成了1,3,4-噁二唑、1,2,4-三唑-5-硫酮和N-苯甲酰基-N′-烷基(芳基)磺酰基酰肼类化合物。