Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.
以间硝醛,酰酸酯,氨化试剂为原料。
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.
本文以紫外光谱为手段研究酰酸酯酮-烯醇式互变异构现象;所得结果证实其烯醇式含量随溶剂极性增加而减。
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.
酰酸酯法合成了2-庚酮,总得率为58.9%,纯度为98.5%.介绍了2-庚酮在相关领域中应.
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Then you also want to look at the acetoacetate.
此外，你还需要关注乙酰乙酸（acetoacetate）。
One of those compounds is acetoacetate, which can break down further into -- you guessed it -- acetone.
其中是乙酰乙酸，它可以进步分解为——你猜对了——丙酮。
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划词翻译
详细解释
醛,
酰
酮-烯醇式互变异构现象;所得结果证实其烯醇式含量随溶剂极性
。
是
