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.
吖嗪是用途很广泛化合物,如染料,光敏物质,聚合单体,另外它们还是加成母体化合物。
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.
吖嗪是用途很广泛化合物,如染料,光敏物质,聚合单体,另外它们还是加成母体化合物。
This thesis mainly introduced that ureas and semicarbazides were synthesized by oxidation of corresponding thioureas and thiosemicarbazides using 30% peroxide as oxidant.
本文主要绍了以30%浓度双水化剂化硫脲、氨基硫脲来制备相脲和氨基脲类化合物。
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