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A recyclable rhodium catalyst anchored onto a bipyridine covalent triazine framework for transfer hydrogenation of N-heteroarenes in water

Tijdschriftbijdrage - Tijdschriftartikel

Covalent triazine frameworks (CTFs) based on polydentate ligands are highly promising supports to coordinate well-defined active metal complexes, hereby combining the well-known reactivity of homogeneous catalysts with the robustness and recyclability of heterogeneous catalysts. Herein, we describe the immobilization of a half-sandwich Rh(III) complex onto a bipyridine-based CTF and its application for the transfer hydrogenation of N-heteroarenes in water with benign sodium formate as the hydrogen source. The heterogenized catalyst exhibited excellent activity toward a wide variety of quinoxalines and various other N-heteroarenes. Moreover, the catalyst maintained high activity during recycling and could be implemented in a continuous flow synthesis.
Tijdschrift: GREEN CHEMISTRY
ISSN: 1463-9270
Issue: 8
Volume: 25
Pagina's: 3267 - 3277
Jaar van publicatie:2023
Toegankelijkheid:Open