Journal of
Chemical Engineering and Materials Science

  • Abbreviation: J. Chem. Eng. Mater. Sci.
  • Language: English
  • ISSN: 2141-6605
  • DOI: 10.5897/JCEMS
  • Start Year: 2010
  • Published Articles: 97

Full Length Research Paper

Utilization of Co-Zeolite imidazolate frameworks (Co-ZIF) as catalyst for organic transformations

Adewale OLAMOYESAN
  • Adewale OLAMOYESAN
  • College of Chemistry and Chemical Engineering, National Engineering Laboratory for Green Chemical Productions of Alcohols–Ethers–Esters, Xiamen University, Xiamen 361005, China
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Jiexiang WANG
  • Jiexiang WANG
  • College of Chemistry and Chemical Engineering, National Engineering Laboratory for Green Chemical Productions of Alcohols–Ethers–Esters, Xiamen University, Xiamen 361005, China
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Hua ZHANG
  • Hua ZHANG
  • College of Chemistry and Chemical Engineering, National Engineering Laboratory for Green Chemical Productions of Alcohols–Ethers–Esters, Xiamen University, Xiamen 361005, China
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Yu DENG
  • Yu DENG
  • College of Chemistry and Chemical Engineering, National Engineering Laboratory for Green Chemical Productions of Alcohols–Ethers–Esters, Xiamen University, Xiamen 361005, China
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Bodunde Joseph OWOLABI
  • Bodunde Joseph OWOLABI
  • Federal University of Technology Akure, P. M. B 704 Akure, Ondo State, Nigeria
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Binghui CHEN
  • Binghui CHEN
  • College of Chemistry and Chemical Engineering, National Engineering Laboratory for Green Chemical Productions of Alcohols–Ethers–Esters, Xiamen University, Xiamen 361005, China
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  •  Received: 24 April 2014
  •  Accepted: 05 June 2014
  •  Published: 30 June 2014

Abstract

An excellent conversions of benzaldehyde was obtained under solvent and solvent free conditions by utilizing Co(im)20.5 DMA as catalyst for the synthesis of benzylidene malononitrile. The catalytic prospect of this crystalline porous framework was extended to oxidation reactions involving ethylene glycol (EG) and ethylbenzene (EB). Unexpectedly, EG was totally oxidized to oxalic acid; which demonstrates the catalyst non-selectivity towards glycolic acid. For EB oxidation under a solvent less condition in the presence of oxygen as oxidant (0.8 Mpa), and a 42% conversion was achieved with 78.4% selectivity for acetophenone at 120°C for a period of 2 h.
 
Key words: Metal-organic frameworks, zeolitic imidazolate frameworks, ethylene glycol, ethylbenzene.

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This article is published under the terms of the Creative Commons Attribution License 4.0

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