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1. Synthesis, characterization and catalytic performance of Mo based metal- organic frameworks in the epoxidation of propylene by cumene hydroperoxide

Author

Hannes Depauw, Yong-Kang Hu, Anjie Wang, Ying-Ya Liu, Xiao-Lei Ni, Jing Liu, Pascal Van Der Voort, Jian Zhang, and Karen Leus

Subjects
010405 organic chemistry, chemistry.chemical_element, General Chemistry, 010402 general chemistry, 01 natural sciences, Decomposition, 0104 chemical sciences, Catalysis, Propene, chemistry.chemical_compound, chemistry, Cumene hydroperoxide, Molybdenum, Organic chemistry, Metal-organic framework
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.

Published
2017
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