Catalytically Active Palladium Nanoparticle‐Cored Ferrocenyl‐Terminated Dendrimers

Lu, Feng; Astruc, Didier

doi:10.1002/ejic.201501103

Cited by 13 publications

(5 citation statements)

References 64 publications

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“…PdNP‐cored ferrocenyl dendrimers also showed excellent catalytic activity at the PdNP core for Suzuki–Miyaura reactions; the ferrocene termini served as bulky fragments to stabilize small active PdNPs and also as nanofilters for styrene hydrogenation …”

Section: Ferrocenes As Sources Of Carbon Nanotubes and Other Materialsmentioning

confidence: 99%

Why is Ferrocene so Exceptional?

2016

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The appearance of ferrocene in the middle of the 20th century has revolutionized organometallic chemistry and is now providing applications in areas as varied and sometimes initially unexpected as optical and redox devices, battery and other materials, sensing, catalysis, including asymmetric and enantioselective catalysis, and medicine. The author presents here a general, although personal, view of ferrocene's chemistry, properties, functions, and applications through a literature survey involving both historical and up‐to‐date trends and including examples of his group's research in a number of these areas. The review gathers together general features of ferrocene chemistry and representative examples of the salient aspects. Its focus is on ferrocene's basic properties, ferrocene‐containing ligands, the ferrocene/ferricinium redox couple, ferrocene mixed‐valence and average‐valence systems, the ferricinium/ferrocene redox shuttle in catalysis, ligand‐exchange reactions, ferrocene‐containing polymers, ferrocene‐containing structures for cathodic battery and other materials, ferrocenes in supramolecular ensembles, liquid crystals, and nonlinear optical materials, ferrocene‐containing stars and their electrostatic effects, ferrocene‐containing dendrons, dendrimers, and nanoparticles (NPs) and their application in redox sensing and catalysis, and ferrocenes in nanomedicine.

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Section: Ferrocenes As Sources Of Carbon Nanotubes and Other Materialsmentioning

confidence: 99%

Why is Ferrocene so Exceptional?

2016

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“…Although the catalyst showed the satisfactory reactivity, it was difficult to recover. Thus, Pd catalysts anchored on heterogeneous solid support materials such as MCM-41 [ 29 ], alumina [ 30 ], silica [ 31 ], carbon nanotubes [ 32 ], microporous polymers [ 33 ], SBA-15 [ 34 ], or some dendrimers [ 35 ] were preferred to develop a ligandless and recyclable catalyst system. However, to the best of our knowledge, only a few of supported Pd catalysts were used in mechanochemically assisted coupling reactions because of the low mechanical strength of the catalysts, the active component of which is easy to leach and deactivate under HSBM conditions.…”

Section: Introductionmentioning

confidence: 99%

Encaging palladium(0) in layered double hydroxide: A sustainable catalyst for solvent-free and ligand-free Heck reaction in a ball mill

Shi¹,

Yu²,

Jiang³

et al. 2017

Beilstein J. Org. Chem.

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In this paper, the synthesis of a cheap, reusable and ligand-free Pd catalyst supported on MgAl layered double hydroxides (Pd/MgAl-LDHs) by co-precipitation and reduction methods is described. The catalyst was used in Heck reactions under high-speed ball milling (HSBM) conditions at room temperature. The effects of milling-ball size, milling-ball filling degree, reaction time, rotation speed and grinding auxiliary category, which would influence the yields of mechanochemical Heck reactions, were investigated in detail. The characterization results of XRD, ICP–MS and XPS suggest that Pd/MgAl-LDHs have excellent textural properties with zero-valence Pd on its layers. The reaction results indicate that the catalyst could be utilized in HSBM systems to afford a wide range of Heck coupling products in satisfactory yields. Furthermore, this catalyst could be easily recovered and reused for at least ﬁve times without signiﬁcant loss of catalytic activity.

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“…12–18 Over the past few decades, a variety of materials including magnetic materials, silica, hydroxyapatite, zeolites, MOFs, organic polymers, bio-supports, and carbon have been employed as supports for the preparation of supported palladium catalysts, aiming to achieve this objective. 19–61…”

Section: Introductionmentioning

confidence: 99%