BaO/TiO2-ZrO2 as a green and efficient basic catalyst for Knoevenagel condensation reaction

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  • Roozbeh Javad Kalbasi1,
  • Zohreh S. Shahzeidi2,
  • Farzad Zamani2,
  1. Razi Chemistry Research Center, Shahreza Branch, Islamic Azad University Shahreza, Isfahan, 86145-311, Iran
  2. Department of Chemistry, Shahreza Branch, Islamic Azad University, Shahreza 311-86145, Isfahan, Iran.

Published in Issue 2024-02-03

How to Cite

Kalbasi, R. J., Shahzeidi, Z. S., & Zamani, F. (2024). BaO/TiO2-ZrO2 as a green and efficient basic catalyst for Knoevenagel condensation reaction. Iranian Journal of Catalysis, 1(2). https://oiccpress.com/ijc/article/view/3531

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Abstract

A simple and green synthetic strategy to prepare BaO/TiO2-ZrO2 as a solid base catalyst was reported. These materials with various amounts of BaO were prepared by the adsorption method. The physical and chemical properties of BaO/TiO2-ZrO2 were investigated by X-ray diffraction, X-ray fluorescence, specific surface area and BJH pore size distribution, FT-IR spectroscopy, scanning electron microscopy and energy dispersive spectra techniques. The catalytic performance of catalyst was determined for the Knoevenagel condensation reaction between carbonyl compounds and ethyl cyanoacetate in the presence of water as a solvent. The catalyst used for this synthetically useful transformation showed considerable level of reusability besides very good activity.

Keywords

  • BaO,
  • Knoevenagel condensation,
  • Solid base catalyst,
  • TiO2-ZrO2
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