Synthesis and antimicrobial and pharmacological properties of new thiosemicarbazide and 1,2,4-triazole derivatives
作者:Łukasz Popiołek、Maria Dobosz、Anna Chodkowska、Ewa Jagiełło-Wójtowicz、Urszula Kosikowska、Anna Malm、Liliana Mazur、Zofia Rzączyńska
DOI:10.1002/jhet.563
日期:2011.3
hydrazide hydrate, appropriate hydrazide 2 was obtained, which in reaction with isothiocyanates was converted to new acyl derivatives of thiosemicarbazides 2, 3, 3a, 3b, 3c, 3d, 3e, 3f, 3g, 3h. The cyclization of these compounds in alkaline media has led to formation of new derivatives of 5‐[(4‐phenyl‐4H‐1,2,4‐triazole‐3‐yl)sulfanyl]methyl}‐4H‐1,2,4‐triazole‐3(2H)‐thiones 4a, 4b, 4c, 4d, 4e, 4f, 4g
4-苯基-4 H -1,2,4-三唑-3-硫酮与溴乙酸乙酯的反应导致形成乙基[(4-苯基-4 H -1,2,4-三唑-3-基)[硫烷基]乙酸酯1,其结构已通过X射线分析确定。在用80%肼水合物,适当的酰肼下一反应2获得,其与异硫氰酸酯反应转化为氨基硫脲的新酰基衍生物2,3,图3a,图3b,图3c,3D,3E,3F,3克,3H。这些化合物在碱性介质中的环化作用导致形成了5 ‐ [(4-苯基‐4 H ‐1,2,4-‐三唑‐3‐基)硫烷基]甲基} ‐4 H ‐1的新衍生物, 2,4-三唑-3(2 H)-硫酮4a,4b,4c,4d,4e,4f,4g,4j。化合物的结构通过元素分析和IR,1 H-NMR,13 C-NMR和MS光谱确认。化合物2,3,图3a,图3b,图3c,3D,3E,3F,3克,3H和图4a,图4b,图4c,图4d,图4e,4f中,4克筛选了抗微生物活性,并且这些化合物的影响图4