potassium fluoride
常見例句
- 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,得到高產率的縮合產物。且只得到E式異構體。 返回 potassium fluoride