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

OLAMOYESAN Adewale | Zendy; Wang Jiexiang | Zendy; Hua Zhang | Zendy; DENG Yu | Zendy; Joseph Owolabi Bodunde | Zendy; Chen Bing-hui | Zendy

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

Author(s) -

OLAMOYESAN Adewale,

Wang Jiexiang,

Hua Zhang,

DENG Yu,

Joseph Owolabi Bodunde,

Chen Bing-hui

Publication year - 2014

Publication title -

journal of chemical engineering and materials science

Language(s) - English

Resource type - Journals

ISSN - 2141-6605

DOI - 10.5897/jcems2014.0181

Subject(s) - acetophenone , catalysis , benzaldehyde , ethylbenzene , ethylene glycol , zeolitic imidazolate framework , metal organic framework , chemistry , selectivity , oxalic acid , malononitrile , zeolite , solvent , glycolic acid , inorganic chemistry , organic chemistry , adsorption , lactic acid , biology , bacteria , genetics

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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