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Citation: ZHU Xun, ZHOU Xiuqin, GU Jianhua, XIANG Dongsheng. Preparation of Silica/Chitosan Supported Cerium(Ⅲ)Chloride Heptahydrate-Sodium Iodide and Its Application on the Cleavage of t-Butyl Ether and Dithioacetal[J]. Chinese Journal of Applied Chemistry, ;2015, 32(12): 1386-1391. doi: 10.11944/j.issn.1000-0518.2015.12.150176 shu

Preparation of Silica/Chitosan Supported Cerium(Ⅲ)Chloride Heptahydrate-Sodium Iodide and Its Application on the Cleavage of t-Butyl Ether and Dithioacetal

1.
a Yancheng Institute of Industry Technology, Yancheng, Jiangsu 224005, China;
2.
b Nanjing University of Science and Technology, Nanjing 210094, China

Corresponding author: ZHU Xun,
Received Date: 19 May 2015
Available Online: 2 July 2015
Fund Project: 江苏自然科学基金项目(BK20141260) (BK20141260)江苏省六大人才高峰项目(2011JZ017) (2011JZ017)

A series of CeCl₃·7H₂O/NaI catalysts immobilized on various supports such as Y zeolite,activated carbon,and SiO₂-CS was prepared. Their catalytic performances were evaluated in the deprotection reactions of tert-butyl phenyl ether. The supported catalyst exhibits good stability and catalytic activity. To further investigate the application of SiO₂-CS-CeCl₃·7H₂O/NaI system in other deprotection reactions,t-butyl ether and 1,3-dithioacetals were explored. In neutral conditions, the catalyst can effectively promote the deprotection reaction,and the use of strong acid and strong base can be avoided.
- silicon dioxide,
- chitosan,
- cerium(Ⅲ) chloride,
- sodium iodide,
- catalyst,
- deprotection reaction
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