Micrometre‐Sized Porous Polymer Beads as Heterogeneous Molecular Catalysts

Porous polymers have great potential as versatile, chemically stable catalyst supports. Yet, shaping of the resulting powders remains a challenge. Here, we demonstrate the use of suspension polymerisation to design micrometre‐sized porous polymers beads containing metal binding sites. The good acces...

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Bibliographic Details
Published in:Chemie ingenieur technik 2024-03, Vol.96 (3), p.309-317
Main Authors: Stammler, Michael B., Bauer, Anton, Alkhurisi, Mohammed H., Gigl, Ferdinand, Wisser, Florian M.
Format: Article
Language:English
Subjects:
Heterogeneous catalysis
Micrometre‐sized beads
Porous organic polymer
Rhodium
Suspension polymerisation
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Summary:Porous polymers have great potential as versatile, chemically stable catalyst supports. Yet, shaping of the resulting powders remains a challenge. Here, we demonstrate the use of suspension polymerisation to design micrometre‐sized porous polymers beads containing metal binding sites. The good accessibility of the binding sites ensures high catalytic activity, which is demonstrated for two model reactions: photochemical CO2 reduction and transfer hydrogenation of aromatic ketones. Importantly, the shaping of the host material does not affect the catalytic activity of the active site. We demonstrate the design of micrometre‐sized porous polymer beads as macroligands for the heterogenization of molecular catalysts. The accessibility as well as the catalytic activity of heterogenized Rhodium complexes is shown in CO2 reduction and transfer hydrogenation reactions.
ISSN:0009-286X
1522-2640
DOI:10.1002/cite.202300023