A glycerol-based Deep Eutectic Solvent (DES) enables the Pd-catalyzed activation of (hetero)arylchlorides and promotes the formation of 2,2'-bipiyridines and biaryls through an Ullmann-type homocoupling in smooth experimental conditions (80 degrees C) with Ca(OH)(2) as a green base and Pd/C as heterogeneous catalyst. Noteworthy, the coupling does not need the addition of external reducing agents, like metals, since the glycerol present in the DES acts as a safe and green organic reductant. The heterogeneous catalytic system (DES-Pd/C) showed to be easily recyclable and has been applied to the sustainable synthesis of the Abametapir drug.

A Glycerol-Based Deep Eutectic Solvent as Natural Medium and Organic Reductant for Homocoupling of (Hetero)Aryl Chlorides: a Green Route to 2,2'-Bipyridine and Biaryl Scaffolds

Dilauro, G;Troisi, L;Salomone, A
2022-01-01

Abstract

A glycerol-based Deep Eutectic Solvent (DES) enables the Pd-catalyzed activation of (hetero)arylchlorides and promotes the formation of 2,2'-bipiyridines and biaryls through an Ullmann-type homocoupling in smooth experimental conditions (80 degrees C) with Ca(OH)(2) as a green base and Pd/C as heterogeneous catalyst. Noteworthy, the coupling does not need the addition of external reducing agents, like metals, since the glycerol present in the DES acts as a safe and green organic reductant. The heterogeneous catalytic system (DES-Pd/C) showed to be easily recyclable and has been applied to the sustainable synthesis of the Abametapir drug.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11586/430136
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