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%浓度的双水作剂硫脲、氨基硫脲来制备相应的脲和氨基脲类合物。
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%浓度的双水作剂硫脲、氨基硫脲来制备相应的脲和氨基脲类合物。
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.
吖嗪用途很广泛的合物,如作染料,光敏物质,聚合单体,另外它们还反应的母体合物。
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