Catalytic oxidation of tetralin to α-tetralone with hydrogen peroxide over cobalt loaded MCM-41

Chinese Journal of Applied Chemistry ›› 2010, Vol. 27 ›› Issue (01): 69-73.

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Catalytic oxidation of tetralin to α-tetralone with hydrogen peroxide over cobalt loaded MCM-41

MA Yong-Ping1,2, ZHAO Ge-Jian1, TAO Hui-Wang1, WANG Wei1, LI Bin1, WANG Jia-Qiang1*

(1.Department of Applied Chemistry,Key Laboratory of Medicinal Chemistry for
Natural Resource,MOE,Yunnan University,Kunming 650091;
2.Faculty of Science,Kunming University of Science and Technology,Kunming)

Received:2009-01-03 Revised:2009-03-02 Published:2010-01-10 Online:2010-01-10
Contact: Jiaqiang Wang

Abstract

Abstract:

The conversions and selectivities of the oxidation of tetralin to α-tetralone in acetic acid with H₂O₂ as oxidant over transition metals (Fe, Co, Ni, Ce, Cu, La, Zr and Cr) loaded MCM-41 were compared.? An excellent conversion of tetralin and high selectivity of α-tetralone were also obtained when Co/MCM-41 was used.? The effects of reaction temperature, reaction time and catalyst concentration on the catalyst performance were examined in order to optimize the conversion of tetralin and selectivity of α-tetralone. A selectivity of 70.3% of tetralin?to α-tetralone was obtained at 94.7% conversion of tetralin under the optimum reaction condition: m(tetralin)：m(catalyst)=12.5:1；reaction temperature = 383 K, reaction time = 8 h. Co/MCM-41 acted as a heterogeneous catalyst in the reaction system and it can be recycled three times without losing its activity to a greater extent.

Key words: cobalt loaded MCM-41, oxidation of the tetralin, α-tetralone

CLC Number:

O643.3

MA Yong-Ping1,2, ZHAO Ge-Jian1, TAO Hui-Wang1, WANG Wei, LI Bin, WANG Jia-Qiang. Catalytic oxidation of tetralin to α-tetralone with hydrogen peroxide over cobalt loaded MCM-41[J]. Chinese Journal of Applied Chemistry, 2010, 27(01): 69-73.

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Catalytic oxidation of tetralin to α-tetralone with hydrogen peroxide over cobalt loaded MCM-41

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