Synthesis,characterization and catalytic performance of Mo based metal-organic frameworks in the epoxidation of propylene by cumene hydroperoxide |
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| Authors: | Xiao-Lei Ni Jing Liu Ying-Ya Liu Karen Leus Hannes Depauw An-Jie Wang Pascal Van Der Voort Jian Zhang Yong-Kang Hu |
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| Affiliation: | a State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China;b Department of Inorganic and Physical Chemistry, COMOC-Center for Ordered Materials, Organometallics and Catalysis, Ghent University, Krijgslaan 281-S3, 9000 Ghent, Belgium;c Liaoning Key Laboratory of Petrochemical Technology and Equipments, Dalian 116024, China;d Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China |
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| Abstract: | Two types of Mo containing metal-organic frameworks, denoted as Mo@COMOC-4 and PMA@MIL-101 (Cr), were synthesized respectively by a post-synthetic modification and a ship-in-bottle approach. The catalytic performance of both compounds in the epoxidation of propylene using cumene hydroperoxide (CHP) as oxidant was compared with MoO3@SiO2. A higher conversion (46.2%) and efficiency (87.4%) of CHP was observed for Mo@COMOC-4, whereas the heteropoly acids supported MIL-101 resulted in the decomposition of CHP due to its strong acidic character. Regenerability tests demonstrated that Mo@COMOC-4 could be reused for multiple runs without significant loss in both activity and stability. © 2017 Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences. |
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| Keywords: | Metal-organic framework Molybdenum Cumene hydroperoxide Propylene epoxidation |
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