Abstract
A copper(II) Schiff base complex has been immobilized onto SBA-15 silica through a stepwise procedure and tested as an oxidation catalyst. BET surface area, total pore volume and average pore width of the SBA-15 all decrease after stepwise modification of SBA-15, while the structure of the support remains intact. The molar ratio of Cu2+/Schiff base is ca. 1/2 in the synthesized material. Catalytic tests showed that the supported copper complex catalyzes the oxidation of benzyl alcohol with 30 % conversion and 89 % selectivity to benzaldehyde when water is used as the solvent.
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Acknowledgments
This work was supported by the National Natural Science Foundation of China (21303069), Jilin province (201105006) and Specialized Research Fund for the Doctoral Program of Higher Education (20100061120083).
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Guan, J., Liu, J. A Copper(II) Schiff base complex immobilized onto SBA-15 silica for selective oxidation of benzyl alcohol. Transition Met Chem 39, 233–238 (2014). https://doi.org/10.1007/s11243-013-9795-4
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DOI: https://doi.org/10.1007/s11243-013-9795-4