The Activation of Dioxygen and Homogeneous Catalytic Oxidation

Barton, Derek H. R.; Martell, Arthur E.; Sawyer, Donald T.

doi:10.1007/978-1-4615-3000-8

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Cited by 136 publications

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Polymer-bound schiff-base complex catalyst for effective oxidation of olefins with molecular oxygen

Wang

Hao

et al. 2000

J. Appl. Polym. Sci.

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Polymer-bound Schiff-base ligand (PS-SalPhe) was prepared from polystyrene-bound salicylaldehyde and phenylalanine, and its complex (PS-SalPhe-M) (M ϭ Co, Mn) was also synthesized. The polymer ligand and its complex were characterized by infrared spectra, small area X-ray photoelectron spectroscopy, and ICP-AES. In the presence of the complex, cyclohexene can be effectively oxidized by molecular oxygen without a reductant. The major products of the reaction are 2-cyclohexen-1-ol (-OH), 2-cyclohexen-1-one (CAO), and 2-cyclohexen-1-hydroperoxide (-OOH ), which is different from the typical oxidation of cyclohexene. The mechanism of cyclohexene oxidation is also discussed. Long-chain linear aliphatic olefins, such as 1-octene, 1-decene, 1-dodecene, and 1-tetradecene, can be directly oxidized by molecular oxygen catalyzed by PS-SalPhe-M (M ϭ Mn, Co), which yields the 1,2-epoxy alkane.

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