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Ecocatalyzed Suzuki cross coupling of heteroaryl compounds

Guillaume Clavé 1, * Franck Pelissier 1 Stéphane Campidelli 2 Claude Grison 1, * 
* Corresponding author
2 LICSEN - Laboratoire Innovation en Chimie des Surfaces et NanoSciences
NIMBE UMR 3685 - Nanosciences et Innovation pour les Matériaux, la Biomédecine et l'Energie (ex SIS2M)
Abstract : A bio-based EcoPd was developed for the Suzuki cross coupling of heteroaryl compounds. Based on the ability of $Eichhornia\ crassipes$ to bioconcentrate Pd in its roots, we addressed the transformation of plant-derived Pd metals to green catalysts. The methodology is based on eco-friendly procedures. It allowed the preparation of a wide range of heterocyclic biaryl and heterocyclic–heterocyclic biaryl compounds, with a low Pd catalyst loading. EcoPd was found to have the ideal microstructure to promote complex Suzuki reactions without ligands or additives. For the first time, post-reaction solution was treated by rhizofiltration. The resulting EcoPd has been reused with the same performance. This work has established the ecocatalysis concept as a powerful strategy for Pd sustainability, with the development of homogeneous catalysts that are easily recycled and reused.
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Submitted on : Wednesday, February 17, 2021 - 3:40:32 PM
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Guillaume Clavé, Franck Pelissier, Stéphane Campidelli, Claude Grison. Ecocatalyzed Suzuki cross coupling of heteroaryl compounds. Green Chemistry, Royal Society of Chemistry, 2017, International Symposium on Green Chemistry 2017, 19, pp.4093-4103. ⟨10.1039/c7gc01672g⟩. ⟨cea-01577263⟩



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