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. 2010 Nov 7;46(41):7700-2.
doi: 10.1039/c0cc02990d. Epub 2010 Sep 27.

Isoreticular synthesis and modification of frameworks with the UiO-66 topology

Sergio J Garibay  1 , Seth M Cohen
Affiliations

Isoreticular synthesis and modification of frameworks with the UiO-66 topology

Sergio J Garibay et al. Chem Commun (Camb). .

Abstract

Amino, bromo, nitro, and naphthalene functionalized UiO-66 metal-organic frameworks have been synthesized through reticular chemistry. UiO-66-NH(2) is shown to be suitable for postsynthetic modification with a variety of anhydrides to generate new, functionalized frameworks.

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Figures

Fig. 1
Fig. 1
PXRD patterns of UiO-66 derivative materials.
Fig. 2
Fig. 2
Thermogravimetric analysis of UiO-66 (black), UiO-66–NH2 (red), UiO-66–Br (brown), UiO-66–NO2 (green), UiO-66-1,4–Naph (purple), UiO-66–AM1 (orange), UiO-66–AM4 (navy blue), UiO-66–AM7 (cyan), and UiO-66–AMMal (gray).
Fig. 3
Fig. 3
1HNMR spectra of digested UiO-66 modified samples. Black circles indicate unmodified NH2–BDC and red squares are from modified BDC ligands.
Scheme 1
Scheme 1
Synthesis of isoreticular UiO-66 functionalized analogues UiO-66–NH2, UiO-66–Br, UiO-66–NO2 (R = NH2, Br, or NO2), and UiO-66-1,4–Naph. The UiO-66 framework with its Zr6O6 cuboctahedron SBU (green) is schematically represented as an octahedron.
Scheme 2
Scheme 2
Postsynthetic modification of UiO-66–NH2 with various anhydrides.
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