Metal-organic frameworks as kinetic modulators for branched selectivity in hydroformylation
- Laboratory for Catalysis and Sustainable Chemistry, Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland
- Laboratory of Molecular Simulation, EPFL Valais/Wallis, CH-1951 Sion, Switzerland
- School of Chemistry, University College Cork, College Rd, Cork, Ireland
- Laboratory for Bioenergy and Catalysis, Paul Scherrer Institute, CH-5232 Villigen PSI
DOI10.24435/materialscloud:2020.0007/v1 (version v1, submitted on 16 January 2020)
How to cite this entry
Gerald Bauer, Daniele Ongari, Davide Tiana, Patrick Gäumann, Thomas Rohrbach, Gerard Pareras, Mohamed Tarik, Berend Smit, Marco Ranocchiari, Metal-organic frameworks as kinetic modulators for branched selectivity in hydroformylation, Materials Cloud Archive (2020), doi: 10.24435/materialscloud:2020.0007/v1.
Finding heterogeneous catalysts that are superior to homogeneous ones for selective organic transformation is a major challenge in catalysis. Here we show how micropores in metal-organic frameworks (MOFs) push homogeneous catalytic reactions into kinetic regimes inaccessible under standard conditions. Such property allows branched selectivity up to 90% in the Co-catalysed hydroformylation of olefins without directing groups, not achievable with existing catalysts. This finding has a big potential in the production of aldehydes for the fine chemical industry. Monte Carlo and density functional theory simulations combined with kinetic models show that the micropores of MOFs with UMCM-1 and MOF-74 topologies increase the olefins density beyond neat conditions while partially preventing the adsorption of syngas leading to high branched selectivity. The easy experimental protocol and the chemical and structural flexibility of MOFs will attract the interest of the fine chemical industries towards the design of heterogeneous processes with exceptional selectivity.
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16 January 2020 [This version]