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Paramagnetic Mononuclear Oxovanadium(IV) Complex as Oxidation Catalyst
Corresponding Author(s) : Jyothy G. Vijayan
Asian Journal of Chemistry,
Vol. 30 No. 5 (2018): Vol 30 Issue 5, 2018
Abstract
2-Thiophenecarbanicotinic hydrazone is added with equimolar mixture of vanadyl acetyl acetonate in methanol to obtain oxovanadium(IV) complex of 2-thiophenecarbanicotinic hydrazone. Oxovanadium(IV) complex of 2-thiophenecarbanicotinic hydrazone is acted as an effective catalyst in the process. The catalytic reactions were carried under room temperature. The products generated were benzil and furil. The influence of solvent, oxidant and quantity of catalyst has been investigated. Oxovanadium(IV) complex of 2-thiophenecarba nicotinic hydrazone proves significantly higher catalytic activity towards oxidation of secondary alcohols to ketones. The catalyst was proved to be very effective due to its recovery by simple filteration after completion of the reaction. It was reused several times which suggests that there is no change in the catalytic efficiency. Oxovanadium(IV) complex of 2-thiophenecarbanicotinic hydrazone did not show any leaching during the reaction, confirmed the heterogeneous nature.
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- T. Rosu, E. Pahontu, C. Maxim, R. Georgescu, N. Stanica, G.L. Almajan and A. Gulea, Polyhedron, 29, 757 (2010); https://doi.org/10.1016/j.poly.2009.10.017.
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References
T. Rosu, E. Pahontu, C. Maxim, R. Georgescu, N. Stanica, G.L. Almajan and A. Gulea, Polyhedron, 29, 757 (2010); https://doi.org/10.1016/j.poly.2009.10.017.
C.-B. Yeh, C.-J. Su, J.-M. Hwang and M.-C. Chou, Eur. J. Med. Chem., 45, 3981 (2010); https://doi.org/10.1016/j.ejmech.2010.05.053.
L. Jian, T. Liu, S. Cai and X. Wang, J. Inorg. Biochem., 100, 1888 (2006); https://doi.org/10.1016/j.jinorgbio.2006.07.014.
A. Tahseen, S. Jabbar and N. Omar, J. Chem. Central, 54, 111 (2013).
D. Rehder, Coord. Chem. Rev., 182, 297 (1999); https://doi.org/10.1016/S0010-8545(98)00194-5.
S. Rayati, A. Ghaemi and N. Sadeghzadeh, Catal. Commun., 11, 792 (2010); https://doi.org/10.1016/j.catcom.2010.02.017.
F. Cariati, U. Caruso, R. Centore, W. Marcolli, A.D. Maria, B. Panunzi, A. Roviello and A. Tuzi, Inorg. Chem., 41, 6597 (2002); https://doi.org/10.1021/ic020127k.
K. Naseema, K.V. Sujith, K.B. Manjunatha, B. Kalluraya, G. Umesh and V. Rao, Opt. Laser Technol., 42, 741 (2010); https://doi.org/10.1016/j.optlastec.2009.11.019.
C.-Y. Chu, D.-R. Hwang, S.-K. Wang and B.-J. Uang, Tamkang J. Sci. Eng., 6, 65 (2003).
K.B. Sharpless and R.C. Michaelson, J. Am. Chem. Soc., 95, 6136 (1973); https://doi.org/10.1021/ja00799a061.
R.J. Krishnan and K. Sreekumar, Appl. Catal., 353, 80 (2009); https://doi.org/10.1016/j.apcata.2008.10.030.