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US 10,479,758 B2Granted
Hafnium-based metal-organic frameworks as epoxide ring-opening catalysts
AssigneeNorthwestern University
InventorsOmar K. Farha, Joseph T. Hupp, M. Hassan Beyzavi, Casey J. Stephenson, Yangyang Liu
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Abstract
Metal-organic frameworks (MOFs) having inorganic nodes that comprise an octahedral Hf6 cluster capped by eight μ3-ligands and having twelve octahedral edges, wherein the μ3-ligands are hydroxo ligands, oxo ligands or aquo ligands; and organic linkers connecting the organic nodes, the organic linkers comprising 1,3,6,8-tetrakis(p-benzoic acid)pyrene units; wherein eight of the twelve octahedral edges of the inorganic nodes are connected to the 1,3,6,8-tetrakis(p-benzoic acid)pyrene units are provided.
Claims2
A metal-organic framework comprising:
- inorganic nodes that comprise an octahedral Hf6 cluster capped by eight μ3-ligands and having twelve octahedral edges, wherein the μ3-ligands are hydroxo ligands, oxo ligands or aquo ligands;
- and
- organic linkers connecting the organic nodes, the organic linkers comprising 1,3,6,8-tetrakis(p-benzoic acid)pyrene units;
- wherein eight of the twelve octahedral edges of the inorganic nodes are connected to the 1,3,6,8-tetrakis(p-benzoic acid)pyrene units.
1 more element
Dependencies are inferred from the claim text.