Abstract
The development of new solid supports for palladium has received a lot of interest lately. These catalysts have been tested in a range of cross-coupling reactions, such as Suzuki–Miyaura, Mizoroki-Heck, and Sonogashira cross-coupling reactions, with good outcomes. Attaching the catalyst to a solid support simplifies the operations required in order to isolate and recycle the catalyst after a reaction has completed. Palladium on solid supports made of magnetic materials is particularly interesting since such catalysts can be removed very simply by utilizing an external magnet, which withholds the catalyst in the reaction vessel. This review will showcase some of the latest magnetic solid supports for palladium and highlight these catalysts’ performance in Suzuki–Miyaura cross-coupling reactions.
Highlights
A range of chelating agents have been attached to magnetic nanoparticles in order to chelate to palladium and, by such means, keep the catalyst attached to the magnetic particle
Palladium/Fe3 O4 /reduced-graphene oxide was used by Nasrabadi and co-workers with good outcome to catalyze the Suzuki–Miyaura cross-coupling between a range of aryl chlorides, bromides, and iodides (Table 2, Entry 13) [62]
The results presented in this article clearly show that catalysts on magnetic particles are fully able to catalyze the Suzuki–Miyaura cross-coupling reaction in good yields over a reasonable reaction time
Summary
1) [1,2,3], it has has become one of the most utilized cross‐coupling reactions both in industrial and academic research become one of the most utilized cross-coupling reactions both in industrial and academic research laboratories [3,4,5,6,7]. Miyaura on the cross‐coupling coupling, respectively [8,9,10]. A range of different catalysts and conditions are available for the successful cross‐. A range of different catalysts and conditions are available for the successful coupling of halides, triflates, O‐tosylates, and diazonium salts upon reaction with boronic acid, cross-coupling of halides, triflates, O-tosylates, and diazonium salts upon reaction with boronic boronates, and trifluoroborates [3,7,11,12,13,14,15]. Acid, boronates, and trifluoroborates [3,7,11,12,13,14,15]
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