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