Cobalt (cyclam) complex has been successfully immobilized onto SBA-15, and proven to be an active catalyst for the epoxidation of styrene with tert-butyl hydroperoxide as a terminal oxidant. The selectivity for styrene oxide was observed to be up to 66% with 40% styrene conversion after 12h reaction time. The reversible redox cycle between Co(III) and Co(II) couple which was supposed to play key role during the epoxidation reaction was supported by a cyclic voltametry analysis. The textural properties of the catalyst was characterized by XRD, N2 adsorption-desorption, and TEM analysis.
CITATION STYLE
Sujandi, Eko, A. P., Han, S. C., & Park, S. E. (2006). Styrene epoxidation over cobalt cyclam immobilized SBA-15 catalyst. Bulletin of the Korean Chemical Society, 27(9), 1381–1385. https://doi.org/10.5012/bkcs.2006.27.9.1381
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