期刊
REACTION KINETICS MECHANISMS AND CATALYSIS
卷 101, 期 2, 页码 387-396出版社
SPRINGER
DOI: 10.1007/s11144-010-0225-8
关键词
Superparamagnet; Heck reaction; Pd nanoparticle; Carbon
资金
- National Natural Science Foundation of China [60901010]
- Ministry of Education of China [6207040004]
Carbon encapsulated Au@Fe nanoparticles (NPs) were synthesized by the hydrothermal method, and the palladium NPs (12 nm) were immobilized on this hydroxyl-terminated support. The morphology, composition, content and magnetism of the samples were characterized. Compared with the commercial carbon-supported Pd catalyst, high catalytic activity, recyclability and selectivity were evaluated by the catalyst Pd/(C@(Au@Fe)) in the Heck reaction. Especially, in the Heck cross-coupling reactions of iodobenzene and methyl acrylate, the catalyst was reused 10 times without significant loss of activity. In addition, the catalyst was simply recycled by a magnetic field.
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