期刊
CHEMCATCHEM
卷 7, 期 20, 页码 3243-3247出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cctc.201500330
关键词
heterogeneous catalysis; heterogenization; hydroformylation; metal-organic frameworks; rhodium
资金
- Shell Global Solutions International BV [PT31176]
Thermal treatment of phosphotungstic acid (PTA)-MIL-101(Cr) composites in the presence of hydroformylation catalyst RhH(CO)(PPh3)(3) leads to immobilization of the homogeneous Rh complex within the metal-organic framework (MOF) scaffold by coordination of PTA-Rh. The Rh complex-containing MOFs are tested in the hydroformylation of 1-octene in which PTA competes with CO during ligand association. In the presence of the carbonyl ligand, the Rh complex is released from the MOF and behaves as a homogeneous catalyst. Therefore, the product spectra and selectivities of the Rh complex-containing MOFs are similar to those of RhH(CO)(PPh3)(3). Upon CO evacuation, Rh recoordinates to PTA, allowing for easy recycling of this new pseudo-heterogeneous catalyst.
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