Amino acid Schiff base complex catalyst for effective oxidation of olefins with molecular oxygen

The amino acid Schiff base manganese complex (Sal–Phe–Mn) was prepared with l-phenylalanine, salicylaldehyde and Mn(OAc) 2·4H 2O. The ligand and the complex were characterized by the infrared spectra, small area X-ray photoelectron spectroscopy, and ICP-AES. In the presence of the manganese complex,...

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Published in	Journal of molecular catalysis. A, Chemical Vol. 147; no. 1; pp. 173 - 178
Main Authors	Wang, Rong-Min, Hao, Cheng-Jun, Wang, Yun-Pu, Li, Shu-Ben
Format	Journal Article Conference Proceeding
Language	English
Published	Amsterdam Elsevier B.V 17.11.1999 Elsevier
Subjects	Aerobic oxidation Amino acid Schiff base manganese complex Catalysis Catalysts: preparations and properties Chemistry Cyclohexene Exact sciences and technology General and physical chemistry Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry Aerobic oxidation Cyclohexene Amino acid Schiff base manganese complex Schiff base Oxygen Hydrocarbon Manganese Complexes Aminoacid Organic ligand Temperature effect Transition metal Complexes Catalyst Monocyclic compound Ethylenic compound
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Abstract	The amino acid Schiff base manganese complex (Sal–Phe–Mn) was prepared with l-phenylalanine, salicylaldehyde and Mn(OAc) 2·4H 2O. The ligand and the complex were characterized by the infrared spectra, small area X-ray photoelectron spectroscopy, and ICP-AES. In the presence of the manganese complex, cyclohexene was effectively oxidized by molecular oxygen without reductant. The major products of the reaction were 2-cyclohexen-1-ol (–OH), 2-cyclohexen-1-one (CO) and 2-cyclohexen-1-hydroperoxide (–OOH), which was different with typical oxidation of cyclohexene. The influence of reaction temperature and additive for oxidation had been studied. The selectivity of 2-cyclohexen-1-hydroperoxide varied with reaction time and different additives. The mechanism of cyclohexene oxidation had also been discussed.
AbstractList	The amino acid Schiff base manganese complex (Sal–Phe–Mn) was prepared with l-phenylalanine, salicylaldehyde and Mn(OAc) 2·4H 2O. The ligand and the complex were characterized by the infrared spectra, small area X-ray photoelectron spectroscopy, and ICP-AES. In the presence of the manganese complex, cyclohexene was effectively oxidized by molecular oxygen without reductant. The major products of the reaction were 2-cyclohexen-1-ol (–OH), 2-cyclohexen-1-one (CO) and 2-cyclohexen-1-hydroperoxide (–OOH), which was different with typical oxidation of cyclohexene. The influence of reaction temperature and additive for oxidation had been studied. The selectivity of 2-cyclohexen-1-hydroperoxide varied with reaction time and different additives. The mechanism of cyclohexene oxidation had also been discussed.
Author	Wang, Yun-Pu Hao, Cheng-Jun Li, Shu-Ben Wang, Rong-Min
Author_xml	– sequence: 1 givenname: Rong-Min surname: Wang fullname: Wang, Rong-Min organization: Department of Chemistry, Northwest Normal University, Lanzhou, 730070, China – sequence: 2 givenname: Cheng-Jun surname: Hao fullname: Hao, Cheng-Jun organization: Department of Chemistry, Northwest Normal University, Lanzhou, 730070, China – sequence: 3 givenname: Yun-Pu surname: Wang fullname: Wang, Yun-Pu organization: Department of Chemistry, Northwest Normal University, Lanzhou, 730070, China – sequence: 4 givenname: Shu-Ben surname: Li fullname: Li, Shu-Ben organization: State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
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Snippet	The amino acid Schiff base manganese complex (Sal–Phe–Mn) was prepared with l-phenylalanine, salicylaldehyde and Mn(OAc) 2·4H 2O. The ligand and the complex...
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SubjectTerms	Aerobic oxidation Amino acid Schiff base manganese complex Catalysis Catalysts: preparations and properties Chemistry Cyclohexene Exact sciences and technology General and physical chemistry Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
Title	Amino acid Schiff base complex catalyst for effective oxidation of olefins with molecular oxygen
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