Effective Prevention of Palladium Metal Particles Sintering by Histidine Stabilization on Silica Catalyst Support
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DOI: 10.1002/adfm.202402983
Abstract: A robust method for enhancing the dispersion and stabilization of small metal nanoparticles in heterogeneous catalysts is developed. It involves in situ complexation of palladium(II) by histidine, in water, prior to impregnation in fumed silica.… read more here.
Keywords: catalyst; stabilization; effective prevention; metal ... See more keywords
Balancing Pd–H Interactions: Thiolate‐Protected Palladium Nanoclusters for Robust and Rapid Hydrogen Gas Sensing
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DOI: 10.1002/adma.202404291
Abstract: The transition toward hydrogen gas (H2) as an eco‐friendly and renewable energy source necessitates advanced safety technologies, particularly robust sensors for H2 leak detection and concentration monitoring. Although palladium (Pd)‐based materials are preferred for their… read more here.
Keywords: thiolate protected; hydrogen gas; hydrogen; palladium ... See more keywords
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
Synthesis of Degradable Acetal‐Backboned Polymers via Palladium‐Catalyzed Hydroalkoxylation of Alkoxyallenes
Sign Up to like & getrecommendations! Published in 2024 at "Asian Journal of Organic Chemistry"
DOI: 10.1002/ajoc.202300613
Abstract: A degradable acetal‐backboned polymer was developed via palladium‐catalyzed hydroalkoxylation of dialkoxyallenes with diols. Dialkoxyallenes were easily prepared from the corresponding diols through propargylation, followed by isomerization. Polymers were synthesized from the various combinations of diols and… read more here.
Keywords: palladium; acetal backboned; palladium catalyzed; degradable acetal ... 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
Nickel–Cobalt Nanoprism Comprising ppm Level of Palladium as an Efficient Catalyst for Sonogashira Reaction
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DOI: 10.1002/aoc.70180
Abstract: Using ppm levels of precious palladium in coupling reactions is highly desirable from both sustainable and economic standpoints. In this work, NiCo nanoprism containing a very low amount of palladium was prepared, and physical and… read more here.
Keywords: catalyst; sonogashira reaction; palladium; nickel cobalt ... See more keywords
Development and Characterization of a High‐Performance Ligand‐Free Palladium Catalyst Supported on Cellulose Spheres
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DOI: 10.1002/aoc.70421
Abstract: An efficient method has been developed for preparing heterogeneous palladium catalysts embedded within cellulose spheres, which involves either direct droplet deposition or utilization of an electrospinning technique. The metallic palladium nanoparticles, with an average diameter… read more here.
Keywords: cellulose spheres; development characterization; characterization high; performance ... 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