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The DOI matches its Crossref record; 41 of the 41 references it cites were found in a registry or an index.

Chromium(III) Terephthalate Metal Organic Framework (MIL-101): HF-Free Synthesis, Structure, Polyoxometalate Composites, and Catalytic Properties

Bromberg, Lev, Diao, Ying, Wu, Huimeng, Speakman, Scott A., Hatton, T. Alan·2012·Chemistry of Materials

Abstract

Hybrid materials of the metal–organic framework (MOF), chromium(III) terephthalate (MIL-101), and phosphotungstic acid (PTA) were synthesized in aqueous media in the absence of hydrofluoric acid. XRD analysis of the MIL101/PTA composites indicates the presence of ordered PTA assemblies residing in both the large cages and small pores of MIL-101, which suggests the formation of previously undocumented structures. The MIL101/PTA structure enables a PTA payload 1.5–2 times higher than previously achieved. The catalytic performance of the MIL101/PTA composites was assessed in the Baeyer condensation of benzaldehyde and 2-naphthol, in the three-component condensation of benzaldehyde, 2-naphthol, and acetamide, and in the epoxidation of caryophyllene by hydrogen peroxide. The catalytic efficiency was demonstrated by the high (over 80–90%) conversion of the reactants under microwave-assisted heating. In four consecutive reaction cycles, the catalyst recovery was in excess of 75%, whereas the product yields were maintained above 92%. The simplicity of preparation, exceptional stability, and reactivity of the novel composites indicate potential in utilization of these catalytic matrices in a multitude of catalytic reactions and engineering processes.

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Metadata

Authors
Bromberg, L., Diao, Y., Wu, H., Speakman, S. A., & Hatton, T. A.
Venue
Chemistry of Materials
Published
2012-04-27
Volume
24
Issue
9
Pages
1664-1675
ISSN
  • 0897-4756 (ISSN-L)
  • 1520-5002
OpenAlex
W1986289620
Cited by
444
References
41
FWCI
14.16
Type
journal article
Language
en
Open access
closed

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