Reusable oxidation catalysis using metal-monocatecholato species in a robust metal-organic framework

Fei H, Shin J, Meng YS, Adelhardt M, Sutter J, Meyer K, Cohen SM (2014)


Publication Type: Journal article, Original article

Publication year: 2014

Journal

Original Authors: Fei H., Shin J., Meng Y.S., Adelhardt M., Sutter J., Meyer K., Cohen S.M.

Publisher: American Chemical Society

Book Volume: 136

Pages Range: 4965-4973

Journal Issue: 13

DOI: 10.1021/ja411627z

Abstract

An isolated metal-monocatecholato moiety has been achieved in a highly robust metal-organic framework (MOF) by two fundamentally different postsynthetic strategies: postsynthetic deprotection (PSD) and postsynthetic exchange (PSE). Compared with PSD, PSE proved to be a more facile and efficient functionalization approach to access MOFs that could not be directly synthesized under solvothermal conditions. Metalation of the catechol functionality residing in the MOFs resulted in unprecedented Fe-monocatecholato and Cr-monocatecholato species, which were characterized by X-ray absorption spectroscopy, X-band electron paramagnetic resonance spectroscopy, and Fe Mössbauer spectroscopy. The resulting materials are among the first examples of Zr(IV)-based UiO MOFs (UiO = University of Oslo) with coordinatively unsaturated active metal centers. Importantly, the Cr-metalated MOFs are active and efficient catalysts for the oxidation of alcohols to ketones using a wide range of substrates. Catalysis could be achieved with very low metal loadings (0.5-1 mol %). Unlike zeolite-supported, Cr-exchange oxidation catalysts, the MOF-based catalysts reported here are completely recyclable and reusable, which may make them attractive catalysts for 'green' chemistry processes. © 2014 American Chemical Society.

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How to cite

APA:

Fei, H., Shin, J., Meng, Y.S., Adelhardt, M., Sutter, J., Meyer, K., & Cohen, S.M. (2014). Reusable oxidation catalysis using metal-monocatecholato species in a robust metal-organic framework. Journal of the American Chemical Society, 136(13), 4965-4973. https://dx.doi.org/10.1021/ja411627z

MLA:

Fei, Honghan, et al. "Reusable oxidation catalysis using metal-monocatecholato species in a robust metal-organic framework." Journal of the American Chemical Society 136.13 (2014): 4965-4973.

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