potassium fluoride

常見例句

雙語例句

• This paper reports the function of anhydrous potassium fluoride and acetonitrile in C-alkylation of active methylene group of acetoacetic ester.
  無水氟化鉀和乙腈在乙酰乙酸乙酯活潑亞甲基的C-烴基化中的作用。
• Then, sodium fluoride, potassium fluoride and (rubidium, cesium) fluoride was separated by concentrating, stepwise precipiting from the solution.
  分離后的溶液進行濃縮，分步析出氟化鈉、 氟化鉀和銣銫氟化物。
• 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.
  在氟化鉀催化下， 芳香醛與氰乙酸乙酯發(fā)生克腦文格爾縮合反應(yīng)，得到高產(chǎn)率的縮合產(chǎn)物。且只得到E式異構(gòu)體。
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