Journal
CHEM
Volume 8, Issue 10, Pages 2630-2658Publisher
CELL PRESS
DOI: 10.1016/j.chempr.2022.07.020
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Funding
- National Natural Science Foundation of China [22178195]
- Catalysis Science Program [DE-SC0012704]
- United States Department of Energy, the Office of Basic Energy Sciences
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This review summarizes the developments of catalysts for heterogeneous hydroformylation in the last decade and proposes potential modification methods for future improvements. The hydroformylation properties of different reactants are compared in order to emphasize the unique challenges faced by various olefins. The catalytic properties can be tuned through electronic effects, steric hindrance, and reaction condition optimization.
Heterogeneously catalyzed hydroformylation reactions avert the problems of separation in homogeneous reactions, reduce the discharge of phosphorus-containing wastes, and prevent the loss of precious metals. This review summarizes the developments of catalysts for heterogeneous hydroformylation in the last decade and proposes potential modification methods for future improvements. The hydroformylation properties of different reactants are compared in order to emphasize the fact that various olefins face unique challenges. The hydroformylation of ethylene requires the enhancement of catalytic activity and chemoselectivity, whereas that of propylene needs improvements in both chemoselectivity and regioselectivity. The hydroformylation of longer-chain olefins and styrene seeks further improvement in regioselectivity. The catalytic properties of activity, selectivity, and stability can be tuned through electronic effects (bimetallic effects, phosphine ligands, and single-atom catalysts), steric hindrance (encapsulation structures, diphosphine ligands, and local functional groups), and reaction condition optimization (temperature, pressure, and solvents). The understanding of these effects is critical in future catalyst design for heterogeneous hydroformylation reactions.
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