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Preparation of Benzaldehyde by Liquid-Phase Catalytic Oxidation of Methyl Benzene
Corresponding Author(s) : Wangcai Liu
Asian Journal of Chemistry,
Vol. 26 No. 21 (2014): Vol 26 Issue 21
Abstract
One of the most important process in the field of petrochemical industry is that hydrocarbons are oxidized to aldehydes and acids using organic acid as solvent in the presence of catalysts consisting of cobalt acetate, manganese acetate and bromine compounds. The liquid phase catalytic oxidation of methyl benzene is discussed in this paper. The experiments are carried out in both pure methyl benzene and in solvents. During the process of liquid-phase catalytic oxidation of pure methyl benzene, the catalytic efficacies of different catalysts were not very significant. The addition of bromine significantly improve the catalytic efficiency. The rates of oxidation of methyl benzene in solvents were significantly higher than that in pure methyl benzene and the yield of benzaidehyde is improved.
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- X.D. Jiao, P.D. Metelski and J. Espenson, Inorg. Chem., 40, 3228 (2001); doi:10.1021/ic0005801.
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- C.C. Guo, Q. Liu, X.T. Wang and H.Y. Hu, Appl. Catal. A, 282, 55 (2005); doi:10.1016/j.apcata.2004.11.045.
References
X.D. Jiao, P.D. Metelski and J. Espenson, Inorg. Chem., 40, 3228 (2001); doi:10.1021/ic0005801.
S.H. Jhung, K.H. Lee and Y.-S. Park, Appl. Catal. A, 230, 31 (2002); doi:10.1016/S0926-860X(01)00984-X.
G. Peng, E.V. Davis and F. Wen, Asian J. Chem., 25, 8821 (2013); doi:10.14233/ajchem.2013.15749.
X.F. Zhang and X.T. Shi, Synth. Chem., 6, 433 (1998).
J.S. Zhao and Q.Y. Lei, Chem. Eng. Sichuan, 3, 39 (1989).
N. Hirai, N. Sawatari, N. Nakamura, S. Sakaguchi and Y. Ishii, J. Org. Chem., 68, 6587 (2003); doi:10.1021/jo034313z.
Y. Yoshino, Y. Hayashi, T. Iwahama, S. Sakaguchi and Y. Ishii, J. Org. Chem., 62, 6810 (1997); doi:10.1021/jo9708147.
N. Sawatari, T. Yokota, S. Sakaguchi and Y. Ishii, J. Org. Chem., 66, 7889 (2001); doi:10.1021/jo0158276.
B. Jacques and P. Georges, US Patent 3387036 (1968).
G. Huang, J. Luo, C.C. Deng, Y.A. Guo, S.K. Zhao, H. Zhou and S. Wei, Appl. Catal. A, 338, 83 (2008); doi:10.1016/j.apcata.2007.12.027.
G. Huang, C.C. Cai, J. Luo, H. Zhou, Y.A. Guo and S.Y. Liu, Can. J. Chem., 86, 199 (2008); doi:10.1139/v08-002.
C.C. Guo, Q. Liu, X.T. Wang and H.Y. Hu, Appl. Catal. A, 282, 55 (2005); doi:10.1016/j.apcata.2004.11.045.