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%浓氧水作为氧剂氧硫脲、氨基硫脲来制备相应脲和氨基脲类合物。
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%浓氧水作为氧剂氧硫脲、氨基硫脲来制备相应脲和氨基脲类合物。
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.
吖嗪用途很广泛合物,如作染料,光敏物质,聚合单,另外它们还加成反应合物。
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