semicarbazide

This thesis mainly introduced that ureas and semicarbazides were synthesized by oxidation of corresponding thioureas and thiosemicarbazides using 30% peroxide as oxidant.

本文主要介绍了以30%浓度水作为化剂化硫脲、氨基硫脲来制备相应脲和氨基脲类化合物。

A new convenient and general one-step route for preparing azines by treating aromtic aldehydes and semicarbazide with anhydrous zinc chloride as catalyst is described.

吖嗪用途很广泛化合物,如作染料,光敏物质,聚合单,另外它们还加成反应化合物。