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2 Polish Journal of Chemistry

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Hydroxylation of Alkanes Using H2O2 or tert-BuOOH Catalyzed by Silica-based Fe(III) Interphase Catalysts

Luo Y., Zhang L., Zong M., Ménage S., Fontecave M.

Polish Journal of Chemistry

2006

Vol. 80, nr 8

1407-1414

Two novel silica-based organic-inorganic hybrid (interphase) Fe(III) catalysts have been successfully prepared by the flexible ligandmethod, characterized and applied to the efficient catalytic oxidation of various types of substrates using 30% H2O2 or tert-BuOOH under mild conditions. The catalysts can be recovered and reused for four reaction cycles with total turnover numbers being about 29 using cyclohexene as the substrate. The mechanism for the O-O bond cleavage was proposed based on the results in combination with previous experimental results.

Synthesis, Spectroscopic and Structural Characterization of Cobalt(II) Complex with Bis(3,5-dimethyl-1-pyrazolyl)methane and Its Application in Catalytic Alkanes Oxidation with tert-Butyl Hydroperoxide

Zhang L., Liu Q., Peng F., Du M.

Polish Journal of Chemistry

2005

Vol. 79 / nr 4

655-661

A novel cobalt complex, [Co(bdpm)(OBz)](ClO4) (bdpm = bis(3,5-dimethyl-1-pyrazolyl) methane, OBz = benzoate), was synthesized and characterized by elemental analysis, UV-Vis, IR spectroscopy and X-ray diffraction. The complex crystallizes in the trigonal system, space group P3121 with a = 19.2583(9), b = 19.2583(9), c = 25.5269(17) A and gamma = 120 graduate. The complex can catalyze the selective oxidation of alkanes to corresponding alcohols and ketones, and a presumptive mechanism was proposed.