Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.
基苯甲醛,
酸酯,氨化试剂为原料。
酸酸酯酸甲酯Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.
基苯甲醛,酸酯,氨化试剂为原料。
Heptanone with purity being 98.5% was synthesized by ethyl acetoacetate.The yield is 58.9%,and its application in the related fields were discussed.
用酸酯法合成了2-庚酮,总
率为58.9%,纯度为98.5%.介绍了2-庚酮在相关领域中的应用.
Keto-enol tautomerizing of ethyl acetoacetate was studied by UV.It was conformed that the content of enol ethyl acetoacetate decreased with the increasing polarity of solvents.
本文紫外光谱为手段研究酸酯的酮-烯醇式互变异构现象;所结果证实其烯醇式含量随溶剂极性的增加而减少。
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