缩酮的例句（缩酮在句子中的用法）

• The that sulfamic acid is an excellent catalyst for synthesis of acetophenone cyclic ethylic ketal. 以氨基磺酸为催化剂,通过苯乙酮和乙二醇反应合成苯乙酮环乙二缩酮.
• The effects of reactant mole ratio , catalyst dosage , microwave irradiationtimeyield of cyclohexanone glycol ketal were investigated. 用十二水硫酸铁铵作催化剂, 微波辐射催化合成环己酮乙二醇缩酮.
• Cyclopentanone ethylene ketal was synthesized with I _ 2 as catalyst. 以单质碘为催化剂合成了环戊酮乙二缩酮.
• The hydroxyl groups can be changed into esters , ethers , acetals and ketals, etc. 最常用的羟基保护基可归纳为三类:酯类 、 醚类和缩醛或缩酮类.