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A Quantum-Chemical DFT Approach to Elucidation of the Chirality Transfer Mechanism of the Enantioselective Suzuki–Miyaura Cross-Coupling Reaction
Published 2017-01-01“…It was found that enantioselective reactions mediated by the palladium complexes of chiral C,P-ligands follow a four-stage mechanism similar to that proposed previously as one of the most credible mechanisms. …”
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62
Synthesis Characterization and Biological Activity Study of New Schiff and Mannich Bases and Some Metal Complexes Derived from Isatin and Dithiooxamide
Published 2011-01-01“…All complexes showed octahedral geometries except palladium complexes which were square planar. The biological activity of the prepared compounds and some selected metal complexes was tested against three types of bacteria and against cell line of human epidermoid larynx carcinoma (Hep-2).…”
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63
Quantum mechanical study of the influence of noble metals on the process of reduction of uranium oxides
Published 2025-02-01“…Silver and gold initiate the process of direct reduction of uranium oxides more efficiently than platinum and palladium. The electronic conductivity of the reduced oxide in the presence of Ag and Au appears when there is a greater amount of oxygen in the system than is the case in the presence of Pt or Pd in the system.…”
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64
Nano-Pd/Chitosan Composite: An Extremely Effective Catalyst to the Synthesis of Pyrazolyl Analogues through Suzuki–Miyaura Cross-Coupling Reactions in an Aqueous Medium
Published 2023-01-01“…The reactivity of the nano-Pd catalyst was highly enhanced by incorporating palladium nanoparticles with a biopolymer chitosan matrix. …”
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65
Characteristics of A6061/(Glass Fibre + AL2O3 + SiC + B4C) Reinforced Hybrid Composite Prepared through STIR Casting
Published 2019-01-01“…Here, some experimental study is carried out on the composite layer through scanning electron microscopy and XRD test to show the influence of the reinforcement on A6061, and the percentage of gold-silver-copper (AuAgCu), aluminium-zinc (ZA), and palladium deuteride is increased in this composition and justified through the graphical representation of the XRD image. …”
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66
Chronological Levels of As, Pd, V, and Sr in 356-year-old Pinus nigra Annual Rings in Northern Türkiye
Published 2025-01-01“…The accumulation and allocation of heavy metals—arsenic (As), strontium (Sr), palladium (Pd), and vanadium (V)—were measured in Pinus nigra wood over more than three centuries. …”
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67
Antineoplastic Activity of New Transition Metal Complexes of 6-Methylpyridine-2-carbaldehyde-N(4)-ethylthiosemicarbazone: X-Ray Crystal Structures of [VO2(mpETSC)] and [Pt(mpETSC)C...
Published 2010-01-01“…New complexes of dioxovanadium(V), zinc(II), ruthenium(II), palladium(II), and platinum(II) with 6-methylpyridine-2-carbaldehyde-N(4)-ethylthiosemicarbazone (HmpETSC) have been synthesized. …”
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68
Revealing the electron driven mechanism in metal catalyzed Kumada cross coupling reaction
Published 2025-02-01“…Abstract The electron motion mechanism of the metal-catalyzed Kumada cross-coupling reaction, which synthesizes biphenyl from chlorobenzene and phenylmagnesium chloride (a Grignard reagent) using a palladium (Pd) complex with an auxiliary phosphine ligand, is elucidated. …”
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69
Determination of Traces of Pd(II) in Spiked Samples by Using 3,4-Dihydroxybenzaldehydeisonicotinol-hydrazone as a Chelating Agent with UV Visible Spectrophotometer
Published 2011-01-01“…A simple, rapid, sensitive and inexpensive method has been developed for the determination of trace amounts of palladium(II) using 3,4-dihydroxybenzaldehydeisonicotinoylhydrazone (3,4-DHBINH). …”
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70
Catalytic pathways for N-arylation of benzimidazoles: A comprehensive review
Published 2025-01-01“…Transition metal-based catalysis has emerged as a key strategy, utilizing metals such as copper (Cu), palladium (Pd), iron (Fe), nickel (Ni), iridium (Ir), and ruthenium (Ru). …”
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71
LE « SICKNESS COUNTRY » (PARC DE KAKADU, AUSTRALIE): ENTRE MYTHE, RÉALITÉ ET MISE EN VALEUR TOURISTIQUE
Published 2009-07-01“…Its central part, Sickness Country, concides with the presence of a metal-bearing deposit (gold, platinium and palladium) associated with a high concentration of uranium.Mining, which goes back to the early 1880, has generated some major conflicts, being at the same time a source of radioactive pollution. …”
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72
Reversed-Phase Liquid Chromatographic Separation and Determination of Ni(II), Cu(II), Pd(II), and Ag(I) Using 2-Pyrrolecarboxaldehyde-4-phenylsemicarbazone as a Complexing Reagent
Published 2013-01-01“…The applicability and the accuracy of the developed method were estimated by the analysis of Ni(II) in hydrogenated oil (ghee) samples and Pd(II) in palladium charcoal.…”
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73
Complete Assignment of H1 and C13 NMR Spectra of 1,2,4-Trisubstituted Pyrroles
Published 2013-01-01“…1,2,4-Trisubstituted pyrroles were synthesized with an original one-pot domino allylic amination/palladium-catalysed Sonogashira cross-coupling and heterocyclisation process. 1H and 13C NMR spectra were assigned for twelve new compounds containing different substituents in positions 1 and 2, and a carboxylic acid or ester group in position 4. …”
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74
Electrochemical Reduction of CO2 to Organic Acids by a Pd-MWNTs Gas-Diffusion Electrode in Aqueous Medium
Published 2013-01-01“…Functional groups of the MWNTs played a key role in the palladium deposition. The results indicated that Pd-MWNTs could transform CO2 into organic acid with high catalytic activity and CO2 could take part in the reduction reaction directly. …”
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75
Simulation of Surface Segregation in Nanoparticles of Pt-Pd Alloys
Published 2025-01-01“…Platinum (Pt) and palladium (Pd) are crucial in hydrogen energy technologies, especially in fuel cells, due to their high catalytic activity and chemical stability. …”
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76
Nonlinear memristive computational spectrometer
Published 2025-01-01“…This approach overcomes traditional limitations, such as constrained Fermi level tunability, persistent dark current, and limited photoresponse dimensionality through dynamic energy band modulation driven by palladium (Pd) ion migration. The critical role of Pd ion migration is thoroughly supported by first-principles calculations, numerical simulations, and experimental verification, demonstrating its effectiveness in enhancing device performance. …”
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77
Precision of Fit of Titanium and Cast Implant Frameworks Using a New Matching Formula
Published 2012-01-01“…Five casts were sent to dental laboratories to invest, cast in a Palladium-Gold alloy and fit the framework. Ten casts had the resin pattern scanned for fabrication of milled bars in Titanium. …”
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78
Assessment of gold mineralization potential in the Tanzania Craton based on stream sediment geochemistry multivariate analysis and regression modeling
Published 2025-01-01“…The Au deposits in the area are strongly associated with the elements; Ni, Cr, V, Mg, Fe, Cu, and Al. Palladium (Pd), platinum (Pt), arsenic (As), and copper (Cu) are the main pathfinder elements in the area. …”
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79
Substrate diffusion electrodes allow for the electrochemical hydrogenation of concentrated alkynol substrate feeds
Published 2025-02-01“…Additionally, semi-hydrogenation of neat 2-methyl-3-butyn-2-ol on palladium showed a faradaic efficiency for semi-hydrogenation of 36%, that was stable for 22 h. …”
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80
Synthesis and Study of Chemical, Thermal, Mesomorphic, and Optical Properties of Terphenyls Modified with Nitrile Groups
Published 2017-01-01“…These terphenyls were prepared through the Suzuki-Miyaura cross-coupling reaction using a palladium-based catalyst. The products obtained were analyzed as powders or after being drop-casted or spin-coated on glass. …”
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