Vanadia-doped titanium-pillared clay: Preparation, characterization and reactivity in the epoxidation of allylic alcohol (E)-2-hexen-1-ol

被引：24
|
作者：
Arfaoui, J [1 ]
Boudali, LK [1 ]
Ghorbel, A [1 ]
机构：
[1] Fac Sci Tunis, Dept Chim, Lab Chim Mat & Catalyse, Tunis 1060, Tunisia
来源：
CATALYSIS COMMUNICATIONS | 2006年 / 7卷 / 02期
关键词：
vanadia/titanium-pillared clay; epoxidation; (E)-2-hexen-1-ol;
D O I：
10.1016/j.catcom.2005.09.003
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A series of vanadia supported titanium-pillared clay (Ti-PILC) with various amounts of vanadium were prepared, characterized then studied for epoxidation of allylic alcohol (E)-2-hexen-1-ol with tert-butylhydroperoxide (TBHP) as oxygen source. The Ti-PILC support was prepared by hydrolysis of TiCl4 or Ti(OC3H7)4 with HCl. Using a stoichiometric molar ratio TBHP/alcohol, it was found that vanadia supported on Ti-pillared clay is more active than Ti-pillared clay for the epoxidation and the Ti-source does not play the main role in the epoxidation process. It was also shown that 1 wt.% V supported on Ti-PILC promotes the epoxidation of (E)-2-hexen-1-ol without vanadia leaching, leading to heterogeneous catalysis. (C) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：86 / 90
页数：5
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