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Title

Sulfonic acid supported on Fe2O3/VO2 nanocatalyst: A highly efficient and reusable nanocatalyst for synthesis of spirooxindole derivatives

نشریه آسیایی شیمی سبز، دوره: 3، شماره: 1
Year: 1396
COI: JR_AJGC-3-1_006
Language: EnglishView: 273
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Authors

Hassan Hassani - Department of Chemistry, Payam Noor University, Birjand, Iran
Batol Zakerinasab - Department of Chemistry, Payam Noor University, Birjand, Iran
Azadeh Nozarie - Department of Chemistry, Payam Noor University, Birjand, Iran

Abstract:

Fe2O3/VO2/SO3H nanocatalyst is reported for simple, and three- component reaction for the synthesis of spirooxindole derivatives by the reaction of isatin, 1,3-cyclohexadiene and malonitrile in solvent-free condition. The method allows easy construction of a library of spirooxindoles in moderate to good yields. The prepared nanocomposite was characterized using fourier transform infrared spectroscopy (FT- IR), scanning electron microscopy (SEM), x-ray diffraction (XRD) analysis, and energy dispersive x-ray spectroscopy (EDX). The nanocomposite was easily recovered using an external magnet and reused several times without a significant loss of the efficiency.

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Hassani, Hassan and Zakerinasab, Batol and Nozarie, Azadeh,1396,Sulfonic acid supported on Fe2O3/VO2 nanocatalyst: A highly efficient and reusable nanocatalyst for synthesis of spirooxindole derivatives,https://civilica.com/doc/723260

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