Dioxomolybdenum( VI) complex covalently attached to amino-modified graphene oxide: heterogeneous catalyst for the epoxidation of alkenes

被引：52
作者：
Li, Zhifang [1 ]
Wu, Shujie [1 ]
Zheng, Dafang [2 ]
Liu, Jiayin [3 ]
Liu, Heng [1 ]
Lu, Haiming [4 ]
Huo, Qisheng [2 ]
Guan, Jingqi [1 ]
Kan, Qiubin [1 ]
机构：
[1] Jilin Univ, Coll Chem, Changchun 130023, Peoples R China
[2] Jilin Univ, Coll Chem, State Key Lab Inorgan Synth & Preparat Chem, Changchun 130012, Peoples R China
[3] Chinese Acad Sci, Changchun Inst Appl Chem, Biol Chem Lab, Changchun 130022, Peoples R China
[4] Jilin Univ, State Key Lab Supramol Struct & Mat, Changchun 130012, Peoples R China
来源：
APPLIED ORGANOMETALLIC CHEMISTRY | 2014年 / 28卷 / 05期
基金：
中国国家自然科学基金;
关键词：
epoxidation; dioxomolybdenum complex; alkene; graphene oxide; SCHIFF-BASE; OXIDATION; NANOSHEETS; STORAGE;
D O I：
10.1002/aoc.3127
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Transition metal salen complex MoO2-salen was successfully tethered onto amino-functionalized graphene oxide (designated as MoO2-salen-GO), which was tested in the epoxidation of various alkenes using tert-butylhydroperoxide or H2O2 as oxidant. Characterization results showed that dioxomolybdenum(VI) complex was successfully grafted onto the amino-functionalized graphene oxide and the structure of the graphene oxide was well preserved after several stepwise synthesis procedures. Catalytic tests showed that heterogeneous catalyst MoO2-salen-GO was more active than its homogeneous analogue MoO2-salen in the epoxidation of cyclooctene due to site isolation. In addition, the MoO2-salen-GO catalyst could be reused three times without significant loss of activity. Copyright (c) 2014 John Wiley & Sons, Ltd.
引用
收藏
页码：317 / 323
页数：7
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