Chemistry - An Asian Journal
Chemistry - An Asian Journal
5 years ago

A Nanosized Gly-Decorated Praseodymium-Stabilized Selenotungstate Cluster: Synthesis, Structure, and Oxidation Catalysis

A Nanosized Gly-Decorated Praseodymium-Stabilized Selenotungstate Cluster: Synthesis, Structure, and Oxidation Catalysis
Li Li, Pengtao Ma, Qisen Liu, Ling Yang, Jingping Wang, Jingyang Niu, Jipeng Guo
A flexible one-pot strategy with pyramidal SeIV heteroatoms was employed for the assembly of the praseodymium-containing gly-decorated polyoxotungstate [{Pr3(H2O)10[Se2W22O76(gly)2]}2(Se2W7O30H2)]18− (1 a), which is constructed from one {Se2W7O30H2} unit and two identical {Pr3(H2O)10[Se2W22O76(gly)2]} units. Furthermore, the catalytic performance of Cs2Na4H12[{Pr3(H2O)10[Se2W22O76(gly)2]}2(Se2W7O30H2)]⋅25 H2O (1) for alkene epoxidation with hydrogen peroxide was investigated under mild reaction conditions, and the experimental results suggested that compound 1 exhibits good catalytic performance for the epoxidation of cyclooctene. Going to POT? An unprecedented praseodymium-containing selenotungstate, Cs2Na4H12[{Pr3(H2O)10[Se2W22O76(gly)2]}2(Se2W7O30H2)]⋅25 H2O (1), has been obtained by using a one-pot strategy. The catalytic performance of 1 for the epoxidation of alkenes with hydrogen peroxide was also investigated, and the results suggested that 1 showed good catalytic performance for the epoxidation of cyclooctene under mild reaction conditions (see figure).

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/asia.201700801

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