Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.
以间硝基苯甲醛,乙酰乙酸乙酯,氨化试剂为原料。
单词 | acetoacetate |
例句 |
英语例句库
Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate. 以间硝基苯甲醛,乙酰乙酸乙酯,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. 用乙酰乙酸乙酯法合成了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. 本文以紫外光谱为手段研究乙酰乙酸乙酯的酮-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的增加而减少。 声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
原声例句
Scishow 精选系列 One of those compounds is acetoacetate, which can break down further into acetone. 其中一种化合物是乙酰乙酸酯,它可以进一步分解成丙酮。 SciShow - Chemistry One of those compounds is acetoacetate, which can break down further into -- you guessed it -- acetone. 其中一种化合物是乙酰乙酸,它可以进一步分解成——你猜对了——丙酮。 |
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