Studies on the Structural Effects on the Biomimetic Catalytic Properties of New Schiff Base Complexes

Abstract

Abstract: The structural effects on the catalytic properties and the stabilities of new Schiff base complexes M₂L{M=Mn(Ⅱ), Fe(Ⅲ)Cl; L=bis[N, N′-alkylene-2, 2′-(phenylmethylene)-bis(3, 4-dimethylpyrrole-5-aldimino)]; alkylene=1, 2-ethylene, 1, 3-propylene, 1, 4 butylene} for the monooxygenation of cyclohexane with PhIOwere studied. The results show that the catalytic activities and the stabilities of these complexes decrease with the increase of the cavity within the molecule of these complexes. We have found that the structural effects in these catalysts on their catalytic properties and stabilities are obvious, and the catalyst with five membered chelating ring is the best in the complexes.

Key words: Schiff base complex, Biomimetic catalysis, Self oxidation, Structural effect

CLC Number:

O627.7

TrendMD:

CHEN Xin-Bin, YANG Yan, HU Ling, GUI Ming-De, ZHU Shen-Jie . Studies on the Structural Effects on the Biomimetic Catalytic Properties of New Schiff Base Complexes[J]. Chem. J. Chinese Universities, 2002, 23(7): 1291.

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Studies on the Structural Effects on the Biomimetic Catalytic Properties of New Schiff Base Complexes

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