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Open AccessJournal ArticleDOI

Recent Progress of Metal Nanoparticle Catalysts for C–C Bond Forming Reactions

Atsushi Ohtaka
- 21 Oct 2021 - 
- Vol. 11, Iss: 11, pp 1266
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TLDR
In this article, the authors classified and outlined the categories of transition metal NPs by the type of support, such as inorganic materials, magnetically recoverable materials, porous materials, organic-inorganic composites, carbon materials, polymers, and surfactants.
Abstract
Over the past few decades, the use of transition metal nanoparticles (NPs) in catalysis has attracted much attention and their use in C–C bond forming reactions constitutes one of their most important applications. A huge variety of metal NPs, which have showed high catalytic activity for C–C bond forming reactions, have been developed up to now. Many kinds of stabilizers, such as inorganic materials, magnetically recoverable materials, porous materials, organic–inorganic composites, carbon materials, polymers, and surfactants have been utilized to develop metal NPs catalysts. This review classified and outlined the categories of metal NPs by the type of support.

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Transition metal nanoparticles as nanocatalysts for Suzuki, Heck and Sonogashira cross-coupling reactions

TL;DR: In this paper , the authors highlight the importance of transition metal nanoparticles in the field of selective carbon-carbon bond-forming reactions such as Suzuki, Heck, and Sonogashira coupling reactions.
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The Road Less Traveled: Unconventional Site Selectivity in Palladium-Catalyzed Cross-Couplings of Dihalogenated N-Heteroarenes

TL;DR: In this article , the authors survey the unusual cases in which divergent selectivity is controlled by ligands or catalyst speciation, and discuss the remaining challenges and opportunities for the field of site-selective cross-coupling.
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Cellulose nanocrystals isolated from corn leaf: straightforward immobilization of silver nanoparticles as a reduction catalyst

TL;DR: In this article , cellulose nanocrystals were isolated from corn leaf via chemical treatment involving alkalizing, bleaching and acid hydrolysis, and the crystallinity of obtained cellulose was evaluated in each step, focusing on the effects of reactant concentration and reaction time.
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Metallic active-site engineering: a bridge of covalent triazine framework and high-performance catalysts

TL;DR: In this article , Covalent triazine frameworks (CTFs) with structure designability and multifunctionalities have aroused increasing attention in conventional thermocatalysis and modern photocatalysis/electrocatalysis.
References
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Journal ArticleDOI

Green Synthesis of Rhodium Nanoparticles that are Catalytically Active in Benzene Hydrogenation and 1‐Hexene Hydroformylation

TL;DR: Rhodium nanoparticles (Rh NPs) were prepared according to a green method based on the reduction of (acetylacetonato)dicarbonylrhodium(I), Rh(acac)(CO)2, in water at 80°C.
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A green synthesis of palladium nanoparticles by Sapindus mukorossi seed extract and use in efficient room temperature Suzuki–Miyaura cross-coupling reaction

TL;DR: In this paper, a simple and green method for the synthesis of palladium nanoparticles using an aqueous extract of Sapindus mukorossi seed has been demonstrated.
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Metal-Micelle Cooperativity: Phosphine Ligand-Free Ultrasmall Palladium(II) Nanoparticles for Oxidative Mizoroki-Heck-type Couplings in Water at Room Temperature.

TL;DR: This method is very mild and sustainable, both in terms of NP synthesis and subsequent catalysis, and shows broad substrate scope while circumventing the need for organic solvents for this important class of couplings.
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Polarclean/Water as a Safe and Recoverable Medium for Selective C2-Arylation of Indoles Catalyzed by Pd/C.

TL;DR: Polarclean is fully recoverable and reusable; it shows a very low leaching of the metal catalyst, allowing its complete recovery and reuse for at least six representative reaction runs.
Journal ArticleDOI

Detailed Mechanism for Hiyama Coupling Reaction in Water Catalyzed by Linear Polystyrene-Stabilized PdO Nanoparticles

TL;DR: The catalytic cycle of the Hiyama coupling reaction in water catalyzed by linear polystyrene-stabilized PdO nanoparticles (PS-PdONPs) was investigated in this article.
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