The pyrazoles ramification containing dithioether is synthesized by one-step method and characterized by H-NMR, IR and UV-Vis spectra.

并采用氢核磁共振，红外光谱和紫外吸收光谱等手段进征。

Among of them, indoles and pyrazoles are of great importance and they are also hotspots that organic chemists are researching.

吲哚和吡唑是含氮有机杂环化合物的两大型，它们也是有机化学家研究的热点问题。

A planar tetradentate dinuclear ligand, 3, 5-bis(2-pyridyl) pyrazole, was synthesized by a three-step reaction of esterification, condensation and addition.

以2-吡为原料，经酯化、缩合、加成合成平面四齿双核配体3，5-二（2-吡基）吡唑。

Pyrazole has been prepared through the dehydrogenation of 2 pyrazoline in which catalytic amonts of sodium iodide acts as dehydrogenation agent in sulfuric acid.

在硫中用碘化钠(催化量)作脱氢试剂使2吡唑啉脱氢制备吡唑。