Aldol Condensation over Acid-Base Bifunctional Metal-Organic Framework Catalysts 


Vol. 20,  No. 2, pp. 116-122, Jun.  2014


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  Abstract

Various types of MOFs (metal-organic frameworks) were prepared via hydrothermal and post-grafting methods and applied as catalysts for the synthesis of jasminaldehyde, one of the representative perfume intermediates, by Aldol condensation of benzaldehyde with heptanal. Although both acid and base sites could catalyze the reaction, the catalytic performance was strongly dependent on the physical properties as well as the nature of functionalization on MOFs. While the use of sulfonated MOF catalysts led to decrease of jasminaldehyde selectivity regardless of MOFs used, the selectivity change was found to rely on the MOF types in the case of the amine-functionalization. Among the catalysts tested, MIL-101 shows the best catalytic performance, which may suggest that MIL-101 has suitable acid properties to promote the Aldol condensation and the large pore of MIL-101 is also advantageous to alleviate the diffusion problem of bulky products.

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  Cite this article

[IEEE Style]

C. YM, "Aldol Condensation over Acid-Base Bifunctional Metal-Organic Framework Catalysts," Clean Technology, vol. 20, no. 2, pp. 116-122, 2014. DOI: .

[ACM Style]

Chung YM. 2014. Aldol Condensation over Acid-Base Bifunctional Metal-Organic Framework Catalysts. Clean Technology, 20, 2, (2014), 116-122. DOI: .

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pISSN : 1598 - 9712
eISSN : 2288 - 0690

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