期刊
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
卷 -, 期 34, 页码 5595-5600出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.201501103
关键词
Dendrimers; Palladium; Nanoparticles; Cross-coupling; Hydrogenation; Ferrocenes
资金
- Centre National de la Recherche Scientifique (CNRS)
- University of Bordeaux
Nanoparticle-cored (NP-cored) ferrocenyl dendrimers are precise multifunctional supramolecular nanomaterials owing to their active central and terminal groups and high (1 -> 3) branching connectivity. For instance, catalysis in the interior of the metallodendrimer remains intriguing, especially because sulfur ligands have the reputation to inhibit catalytic reactions on surfaces. A nonaferrocenyl thiol dendron, 1, was utilized to prepare PdNP-cored metallodendrimers (FcD-PdNPs) 2, which were characterized by H-1, C-13 NMR and FTIR spectroscopy, elemental analysis, and TEM. The ratio of precursor complex [PdCl2(MeCN)(2)] to dendron 1 was demonstrated to play a key role in the effectiveness of 2 as catalyst in Suzuki-Miyaura and styrene hydrogenation reactions, and a ratio of 5: 1 optimized intradendritic catalytic activity for styrene hydrogenation at room temp. and 1 atm H-2.
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