• 氟化下,芳香乙酸乙酯发生克脑文格尔缩合反应,得到高产缩合产物

    The knoevenagel condensation of aromatic aldehydes with ethyl cyanoacetate proceeds smoothly in the presence of potassium fluoride giving products in high yield.

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  • 因此可以有效地分离吡啶体系

    Thus water could be separated efficiently from the pyridine-water by adding KF into the system.

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  • 报道无水氟化作用下2 -合成

    This paper reports the synthesis of 2-heptanone in the functions of absolute potassium fluoride and acetonitrile.

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  • 离子液体中用一个新的优良氟化方法

    It is pointed out by author that fluorination with potassium fluoride in ionic liquids is a good fluorination method.

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  • 分离溶液进行浓缩分步析出氟化氟化

    Then, sodium fluoride, potassium fluoride and (rubidium, cesium) fluoride was separated by concentrating, stepwise precipiting from the solution.

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  • 具有用途广泛、附加值高等特点,精细中有着越来越广泛的用途。

    Potassium fluoride is a widely used and high value-added product. Especially in fine chemical industry, its application is more and more wide.

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  • 盐一合物指如下可溶性合物:化钾氟化钾以及各种硫酸

    Any of several compounds containing potassium, especially soluble compounds such as potassium oxide, potassium chloride, and various potassium sulfates, used chiefly in fertilizers.

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  • 得出以间硝基苯磺酸EDTA络合氟化钾缓蚀剂RL - 3为配方

    The formulation was obtained which USES sodium m-nitrobenzene sulfonate as oxidant, disodium EDTA as complexing agent, KF as corrosion inhibitor, and RL-3 as catalyst.

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  • 氟化下,芳香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。且得到E异构体

    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.

    youdao

  • 氟化下,芳香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。且得到E异构体

    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.

    youdao

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