Carboxylative Coupling of Chloromethyl(hetero)arenes with Allyltrimethoxysilane Catalyzed by Palladium Nanoparticles
Sign Up to like & getrecommendations! Published in 2017 at "Asian Journal of Organic Chemistry"
DOI: 10.1002/ajoc.201600510
Abstract: The palladium-catalyzed three-component coupling of (chloromethyl)arenes or (chloromethyl)heteroarenes, allytrimethoxysilane, and carbon dioxide (carboxylative Hiyama coupling reaction) was successfully conducted to produce α,β-unsaturated esters in satisfactory to good yields. The carboxylative Hiyama coupling reaction proceeded smoothly… read more here.
Keywords: palladium nanoparticles; carboxylative coupling; coupling chloromethyl; hetero arenes ... See more keywords
Green synthesis of palladium nanoparticles using Hibiscus sabdariffa L. flower extract: Heterogeneous and reusable nanocatalyst in Suzuki coupling reactions
Sign Up to like & getrecommendations! Published in 2017 at "Applied Organometallic Chemistry"
DOI: 10.1002/aoc.3757
Abstract: An elementary and ecological method has been designed for the biosynthesis of palladium nanoparticles, through the utilization of aqueous extract of red tea (Hibiscus sabdariffa L.) as a reducing and stabilizing agent. The nanoparticles obtained… read more here.
Keywords: suzuki coupling; palladium nanoparticles; microscopy; hibiscus sabdariffa ... See more keywords
Synthesis of palladium concave Nanocubes with high-index facets and their catalytic properties
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DOI: 10.1002/aoc.3887
Abstract: Palladium nanocrystals with a variety of shapes have received particular interest in recent years due to their unique properties in catalysis. Herein, Pd concave nanocubes with high-index facets (Pd-CNs) was synthesized by a simple water-based… read more here.
Keywords: index facets; nanocubes high; palladium; concave nanocubes ... See more keywords
Nitro group reduction and Suzuki reaction catalysed by palladium supported on magnetic nanoparticles modified with carbon quantum dots generated from glycerol and urea
Sign Up to like & getrecommendations! Published in 2018 at "Applied Organometallic Chemistry"
DOI: 10.1002/aoc.3984
Abstract: Glycerol and urea were used as green and cheap sources of carbon quantum dots (CQD) for modifying Fe3O4 nanoparticles (NPs). The obtained CQD@Fe3O4 NPs were used for the stabilization of palladium species and the prepared… read more here.
Keywords: reduction; glycerol urea; carbon quantum; reaction ... See more keywords
Direct C3‐Arylation of 2 H‐Indazole Derivatives with Aryl Bromides by using Low Loading of a Phosphine‐free Palladium Catalyst
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DOI: 10.1002/cctc.201601420
Abstract: The palladium‐catalyzed direct arylation of 2 H‐indazoles with aryl bromides for the preparation of 3‐aryl‐2 H‐indazoles was found to proceed in high yields when using only 0.5–0.1 mol % Pd(OAc)2 catalyst and KOAc as inexpensive base. A wide variety… read more here.
Keywords: direct arylation; aryl bromides; electron; palladium ... See more keywords
Direct C(sp2)−H Hydroxylation of Arenes with Palladium(II)/Oxygen Using Sulfoximines as a Recyclable Directing Group
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DOI: 10.1002/cctc.201800064
Abstract: The aerobic palladium(II) catalysis presented herein offers facile entry to various substituted phenols through site‐selective C−H hydroxylation of arenes by using sulfoximines as a reusable directing group. The notable aspects of our method include the… read more here.
Keywords: oxygen; directing group; hydroxylation; palladium ... See more keywords
Palladium‐Containing and Metal‐Free Supported Dendrons As Catalysts in Multistep Conversion of Oxygenates to Fuels
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DOI: 10.1002/cctc.201801584
Abstract: This article reports a three‐step process: 1) the hydrogenation of phenol, 2) aldol condensation between the cyclohexanone produced in reaction 1 and an aldehyde, and 3) hydrogenation of the aldol reaction product. This is achieved… read more here.
Keywords: containing metal; supported dendrons; metal free; reaction ... See more keywords
Predictable Catalysis of Electron‐Rich Palladium Catalyst toward Aldehydes Hydrogenation
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DOI: 10.1002/cctc.201900514
Abstract: The catalytic properties of palladium can be purposely tailored through adjusting its electronic states by the interactions with supports. The palladium nanoparticles supported on N‐doped carbon matrix are characterized explicitly as electron‐enriched states via the… read more here.
Keywords: catalyst; predictable catalysis; hydrogenation; palladium ... See more keywords
Tetraalkylammonium Functionalized Hydrochars as Efficient Supports for Palladium Nanocatalysts
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DOI: 10.1002/cctc.201902305
Abstract: With the aim of preparing bio‐sourced supports with enhanced properties in catalysis, we devised an original strategy allowing the immobilization of metal nanoparticles. Thus, size‐controlled hydrochars with a high degree of hydroxyl functionalities, from both… read more here.
Keywords: tetraalkylammonium functionalized; hydrochars efficient; efficient supports; functionalized hydrochars ... See more keywords
Selectivity Switch in the Aerobic 1,2‐Propandiol Oxidation Catalyzed by Diamine‐Stabilized Palladium Nanoparticles
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DOI: 10.1002/cctc.202100309
Abstract: Palladium nanoparticles stabilized by a sterically demanding secondary diamine ligand have been synthesized by hydrogen reduction of a palladium acetate complex bearing the corresponding diimine ligand. The obtained nanoparticles were used to catalyze the aerobic… read more here.
Keywords: palladium nanoparticles; oxidation; selectivity switch; diamine ... See more keywords
Palladium‐Aminopyridine Catalyzed C−H Oxygenation: Probing the Nature of Metal Based Oxidant
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DOI: 10.1002/cctc.202101345
Abstract: A mechanistic study of direct selective oxidation of benzylic C(sp3)−H groups with peracetic acid, catalyzed by palladium complexes with tripodal amino‐tris(pyriylmethyl) ligands, is presented. The oxidation of arylalkanes having secondary and tertiary benzylic C−H groups,… read more here.
Keywords: palladium aminopyridine; probing nature; oxygenation probing; aminopyridine catalyzed ... See more keywords