The knoevenagel condensation of aromatic aldehydes with ethyl cyanoacetate proceeds smoothly in the presence of potassium fluoride giving products in high yield.
在氟化钾催化下，芳香醛与氰乙酸乙酯发生克脑文格尔缩合反应，得到高产率的缩合产物。
Ethyl decanoate was synthesized from capric acid and ethanol by using ferric potassium alum as catalyst.
以铁钾矾为催化剂，通过葵酸与乙醇反应合成了癸酸乙酯。
The knoevenagel condensation of aromatic aldehydes with ethyl cyanoacetate proceeds smoothly in the presence of potassium fluoride giving products in high yield. Only the E isomers could be isolated.
在氟化钾催化下，芳香醛与氰乙酸乙酯发生克脑文格尔缩合反应，得到高产率的缩合产物。且只得到E式异构体。
The separation of azeotrope of methyl ethyl ketone water has been investigated by extractive distillation using the mixture of ethylene glycol and potassium acetate as an extractant.
结果表明乙二醇与醋酸钾的混合物是分离甲乙酮水二元恒沸物的理想萃取剂。
Tetrabromophenolphthalein ethyl ester potassium salt;
四溴酚酞乙酯钾盐；
Tetrabromophenolphthalein ethyl ester potassium salt;
四溴酚酞乙酯钾盐；
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