Dioxomolybdenum(VI) complex covalently attached to amino‐modified graphene oxide: heterogeneous catalyst for the epoxidation of alkenes. (10th February 2014)

• Record Type: Journal Article
• Authors: Li, Zhifang; Wu, Shujie; Zheng, Dafang; Liu, Jiayin; Liu, Heng; Lu, Haiming; Huo, Qisheng; Guan, Jingqi; Kan, Qiubin
• Is Part Of: Applied organometallic chemistry. Volume 28:Number 5(2014:May)
• Page Start: 317
• Page End: 323
• Publication Date: 2014-02-10
• Subjects: Organometallic chemistry -- Periodicals; Organometallic compounds -- Periodicals; 547.05
• DOI: 10.1002/aoc.3127
• Languages: English
• ISSNs: 0268-2605

Abstract

<abstract abstract-type="main"> <title> <x xml:space="preserve">Abstract</x> </title> <p>Transition metal salen complex MoO₂–salen was successfully tethered onto amino‐functionalized graphene oxide (designated as MoO₂–salen–GO), which was tested in the <named-content content-type="reactionType" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink">epoxidation</named-content> of various alkenes using <italic>tert</italic>‐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 <named-content content-type="reactionType" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink">epoxidation</named-content> of cyclooctene due to site isolation. In addition, the MoO₂–salen–GO catalyst could be reused three times without significant loss of activity. Copyright © 2014 John Wiley &amp; Sons, Ltd.</p> </abstract>