Synthesis and cytotoxic activity of novel 3-(1H-indol-3-yl)-1H-pyrazole-5-carbohydrazide derivatives
作者:Datong Zhang、Guangtian Wang、Guilong Zhao、Weiren Xu、Lingyan Huo
DOI:10.1016/j.ejmech.2011.09.049
日期:2011.12
A series of novel 3-(1H-indole-3-yl)-1H-pyrazole-5-carbohydrazide derivatives 4Ia–n, 4IIa–b and 6 were prepared by hydrazinolysis of ethyl 3-(1H-indole-3-yl)-1H-pyrazole-5-carboxylate with hydrazine hydrate in excellent yields. These new compounds were fully characterized by spectroscopic methods, and the important intermediates 3Ie, 3IIc and 3IId were further confirmed by X-ray crystallography. All
通过对乙基3-(1 H-吲哚-3进行肼解反应,制备了一系列新颖的3-(1 H-吲哚-3-基)-1 H-吡唑-5-碳酰肼衍生物4Ia–n,4IIa–b和6。 -肼基)-1 H-吡唑-5-羧酸酯与水合肼的收率极好。这些新化合物通过分光光度法以及重要的中间体3Ie,3IIc和3IId进行了充分表征。X射线晶体学进一步证实了这一点。通过MTT法评估所有新化合物对4种人类癌细胞系的细胞毒活性。与阳性药物5-氟尿嘧啶相比,它们中的一些对HepG-2,BGC823和BT474细胞系表现出更强的抗增殖活性。流式细胞仪分析表明4Ik和4Il使细胞周期停滞在S期。