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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%浓度的作为化剂化硫脲、氨基硫脲来备相应的脲和氨基脲类化合物。

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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.

途很广泛的化合物,如作染料,光敏物质,聚合单体,另外它们还加成反应的母体化合物。

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