Hydroxy 4 methyl coumarin was prepared from resorcinol, ethyl acetoacetate or methyl acetoacetate in the presence of solid superacid catalyst. 在固体超强酸的催化下以间苯二酚、乙酰乙酸乙酯或乙酰乙酸甲酯为原料,合成了7-羟基-4-甲基香豆素。
Study on reaction temperature behavior for the synthesis of pseudoionone isomers by methyl acetoacetate method 乙酰乙酸酯法合成假性紫罗兰酮同分异构体温度反应行为研究
? Methyl ethyl acetoacetate was synthesized by enamine alkylation, which was compared with water process method. 本文报道了α-甲基乙酰乙酸乙酯的烯胺法合成,探讨了烯胺法与水法的不同。
The commercial method of methyl acetoacetate is esterification of dietene and methanol in the presence of catalyst, then through fractionation and rectification. 乙酰乙酸甲酯的工业化生产方法是双乙烯酮与甲醇在催化剂存在下进行酯化反应,再经粗分馏、精馏得成品。
Synthesis of α-Methyl Acetoacetate Ethy α-甲基乙酰乙酸乙酯的合成
Manufacturing and Application of Methyl Acetoacetate 乙酰乙酸甲酯的生产及其应用
Synthesis of α-Methyl Ethyl Acetoacetate by Enamine Alkylation 烯胺法合成α-甲基乙酰乙酸乙酯
In the third chapter, a rapid and efficient method for the synthesis of coumarins from phenols with ethyl acetoacetate or methyl acetoacetate is described in the presence of zirconium sulfate tetrahydrate-silica gel under microwave irradiation. 第三部分:该部分介绍了微波辐射硅胶负载的四水硫酸锆催化,酚与乙酰乙酸甲酯或乙酰乙酸乙酯作用合成香豆素的方法。