分别以Y沸石、活性碳和二氧化硅-壳聚糖(SiO2-CS)为载体、利用浸渍法制备了一系列负载型七水三氯化铈-碘化钠(CeCl3·7H2O-NaI)催化剂,考察了它们在叔丁基苯基醚的脱保护反应中的催化性能.结果表明,SiO2-CS为载体的催化剂呈现出良好的催化性能和较高的稳定性.另外,在中性条件下,SiO2-CS负载CeCl3·7H2O-NaI催化剂在叔丁基醚及1,3-二硫缩醛脱保护反应中呈现出较高的催化活性,从而避免使用强酸和强碱.
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