
Design, Synthesis and Application of Magnetic Nanoparticle Catalytic Materials Based on Multientate Palladium Compounds
Yunhua Ma, Han Shao, Tenglong Lin, Qinyue Deng
Prog Chem ›› 2023, Vol. 35 ›› Issue (9) : 1369-1388.
Design, Synthesis and Application of Magnetic Nanoparticle Catalytic Materials Based on Multientate Palladium Compounds
Catalyst loading is one of the effective strategies for green catalysis. Palladium (Pd) catalysts supported by magnetic nanoparticles (MNPs) have been widely studied and used in organic synthesis due to their good dispersibility, high catalytic activity, rapid separation under the action of an external magnetic field, and efficient recovery. The MNPs-supported polydentate Pd compound catalyst (MNPs@L-Pd) shows better catalytic activity and stability than the MNPs-supported Pd nanoparticle catalyst (MNPs@PdNP). This is mainly because the introduction of the modified ligand in MNPs@L-Pd can regulate the electronic effect and steric hindrance of the catalyst metal center to achieve the regulation of its activity, on the other hand, it makes the stable chemical bond between the catalyst metal center and the magnetic material to achieve the regulation of stability. This paper mainly focuses on MNPs@L-Pd, the preparation of MNPs@L-Pd based on different ligands and coordination methods and its application in C-X(Cl, Br, I) activation reaction in the past 10 years are reviewed from the aspects of catalyst stability and activity, and the prospect of these reactions are also presented.
1 Introduction
2 Palladium-catalyzed system based on bidentate coordination mode
2.1 N-Pd-N coordination bond catalytic system
2.2 O-Pd-N coordination bond catalytic system
2.3 P-Pd-P coordination bond catalytic system
2.4 S-Pd-N coordination bond catalytic system
2.5 Se-Pd-N coordination bond catalytic system
3 Palladium-catalyzed system based on tridentate coordination mode
4 Palladium-catalyzed system based on tetradecentate coordination mode
5 Palladium-catalyzed system based on multidentate coordination mode
6 Palladium-catalyzed system based on Pd-C covalent bonds
7 Conclusion and outlook
magnetic nanoparticle / palladium complex / supported catalyst / organic synthesis reaction
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