• 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。

    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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  • 因此用氟化钾可以有效地分离吡啶水体系。

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

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  • 报道了在无水氟化钾和乙腈作用下2 -庚酮的合成。

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

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  • 在离子液体中用氟化钾氟化是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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  • 分离后的溶液进行浓缩,分步析出氟化钠、 氟化钾和铷铯氟化物。

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

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  • 氟化钾具有用途广泛、附加值高等特点,在精细化工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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  • 钾盐一种含钾的化合物,尤指如下可溶性化合物:氧化钾、氟化钾以及各种硫酸钾。

    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钠为氧化剂、EDTA为络合剂、氟化钾为缓蚀剂、RL - 3为催化剂的配方。

    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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  • 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 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

  • 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 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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