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Recyclable, bifunctional metallaphotocatalysts for C-S cross-couplings

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Reischauer,  Susanne
Bartholomäus Pieber, Biomolekulare Systeme, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Pieber,  Bartholomäus
Bartholomäus Pieber, Biomolekulare Systeme, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Citation

Reischauer, S., & Pieber, B. (2021). Recyclable, bifunctional metallaphotocatalysts for C-S cross-couplings. ChemPhotoChem. doi:10.1002/cptc.202100062.


Cite as: http://hdl.handle.net/21.11116/0000-0008-5656-7
Abstract
Metallaphotocatalytic cross-couplings are typically carried out by combining homogeneous or heterogeneous photocatalysts with a soluble nickel complex. Attempts to realize recyclable catalytic systems use immobilized iridium complexes to harvest light. We present bifunctional, materials for metallaphotocatalytic C–S cross couplings that can be reused without losing their catalytic activity. Key to the success is the permanent immobilization of a nickel complex on the surface of a heterogeneous semiconductor through phosphonic acid anchors. The optimized catalyst harvests a broad range of the visible light spectrum and requires a nickel loading of only ~0.1 mol%.