Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 139, Issue 20, Pages 7004-7011Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jacs.7b02394
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Funding
- NSF [CHE-1464941]
- Division of Chemistry (CHE), NSF [NSF/CHE-1346572]
- Division of Materials Research (DMR), NSF [NSF/CHE-1346572]
- U.S. DOE [DE-AC02-06CH11357]
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We report here the synthesis of a robust and porous metal-organic framework (MOF), Zr-12-TPDC, constructed from triphenyldicarboxylic acid (H2TPDC) and an unprecedented Zr-12 secondary building unit (SBU): Zr-12(mu O3-)(8)(mu 3-OH)(8)(mu(2)-OH)(6). The Zr-12-SBU can be viewed as an inorganic node dimerized from two commonly observed Zr-6 clusters via six mu(2)-OH groups. The metalation of Zr-12-TPDC SBUs with CoCl2 followed by treatment with NaBEt3H afforded a highly active and reusable solid Zr-12-TPDC-Co catalyst for the hydrogenation of nitroarenes, nitriles, and isocyanides to corresponding amines with excellent activity and selectivity. This work highlights the opportunity in designing novel MOF-supported single-site solid catalysts by tuning the electronic and steric properties of the SBUs.
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