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
的酮-烯醇式互变异
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。
甲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的酮-烯醇式互变异现象;所得结果证实其烯醇式含量随溶剂极性的增加而减少。
Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.
以间硝基苯甲醛,,氨化试剂为原料。
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