By Anne George

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2004, 104, 939-986. [28] Meunier, B. Biomimetic Oxidations Mediated by Metal Complexes; Imperial College Press: London, 2000. [29] Meunier, B. Chem. Rev. 1992, 92, 1411-1456. [30] Meunier, B. Metalloporphyrin Catalyzed Oxidation; Kluwer Academic Publisher: 1994. [31] Reichhart, D. ; Didieriean, L. Trends Plant Sci. 2000, 5, 116-123. ; Meunier, B. Adv. Synth. Catal. 2004, 346, 171-184. [33] Woggon, W. D. Chem. Res. 2005, 38, 127-136. [34] Chen, H. ; Ji, H. ; Zhou, X. ; Xu, J. ; Wang, L. F. Catal.

While at the initial stage of methylcyclohexane aerobic oxidation, metalloporphyrin turns into high-valent oxometal radical cation [PMIV=O]•+, which is responsible for the velocity of the reaction. The selective oxidation of different C-H bond is mainly affected by two factors: activation energy and regioselectivity of different C-H bond. Obviously, the activation energy of secondary CH bond is greater than that of tertiary C-H bond, so the factors such as temperature, catalyst activity can affect the activation energy.

Soc. Jpn. 1991, 64, 21092117. ; Mukaiyama, T. Chem. Lett. 1994, 1259-1262. [67] Qi, J. ; Li, Y. ; Zhou, Z. ; Che, C. ; Yeung, C. ; Chan, A. S. C. Adv. Synth. Catal. 2005, 347, 45-49. [68] Ravikumar, K. ; Begue, J. ; Delpon, D. B. Tetrahedron 1998, 54, 7457-7464. ; Thomas, J. M. Commun. 2009, 9, 829-830. ; Kozhevnikov, I. V. J. Mol. Catal. A 2002, 187, 227-235. [71] Mandal, A. ; Iqbal, J. Tetrahedron 1997, 53, 7641-7648. 30 Biomimetic Based Applications [72] Zhou, X. ; Ji, H. ; Xu, H. ; Pei, L. ; Wang, L.

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