The yields of other cyclic acetals were between 62.

并在此条件下合成了多种环缩醛,收率62.

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Eight acetals ( Ketals ) were synthesized under the optimal conditions.

在最佳条件下,合成了八个缩醛 ( 酮 ) 化合物.

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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.

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Using the same catalyst in THF acetals could be converted to the corresponding carbonyl compounds efficiently.

而在四氢呋喃和水的混合溶剂中,使用同样的催化剂,则可以高效率地实现上述反应的逆转化过程.

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Sorbitol acetals is the most one kind of the nucleating agents for polypropylene crystallization.

山梨醇缩醛是最重要的聚丙烯成核剂之一.

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This paper reviewed the research development and synthesis of acetals and ketal flavors.

综述了缩醛(酮)反应的研究进展,重点介绍了缩醛(酮)类香料的合成方法.

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This paper discussed three methods of producting vinyl etherspreparation from acetylene, dehydrohalogenation and acetals.

论述了乙烯基醚类化合物的三种主要制备方法乙炔法 、 脱卤化氢法和缩醛热分解法.

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