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Showing 1 to 20 of 33 for “"palladium complexes"”.
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Ligand Manipulation and Reactivity Studies of Organometallic High Valent Palladium Complexes
… involving high-valent Pd(III) and Pd(IV) complexes has recently shown important applications in the development of new chemical transformations that compliments conventional Pd<super>0/II</super> catalysis.</p><p>However, the Pd(III) or Pd(IV) intermediates cannot be …
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Platinum and palladium complexes as human immunodeficiency virus latency reversal agents
… an HIV cure, this study investigates three complexes (AE99, AE118, AE187), which involve synthetic metals coordinated with ligands, for reactivating HIV in latently infected cells. The aim is to incorporate the ‘shock and kill’ strategy into HIV therapy. This project uses metals as latency …
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Structural studies on biaryl phosphines and palladium complexes composed of biaryl phosphines
… Structures of Biaryl Phosphine Pd(0) and Pd(II) Complexes. Chapter 3. Structural Insights into Active Catalyst Structures and Oxidative Addition to Biaryl Phosphine-Palladium Complexes via Density Functional Theory and Experimental Studies.
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Oxidative reactivity of high-valent palladium complexes supported by 1,4,7-triisopropyl-1,4,7-triazacyclononane
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2026-08-01
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INVESTIGATIONS INTO RARE 3-COORDINATE PALLADIUM COMPLEXES AND NEW APPLICATIONS OF COPPER IN COUPLING REACTIONS
… with looking into the synthesis of 3-coordinate palladium complexes incorporating a nacnac ligated system for academic interest. We utilized [{2,6-iPr2Ph)2nacnac}PdCl]2 as the precursor into synthesizing these 3-coordinate palladium complexes. Through many failed attempts of manipulating …
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High Valent Palladium Complexes and Their Role in C-C and C-X Bond Formation Chemistry.
… challenging. On the other hand, multi-nuclear complexes are receiving an appreciable interest due to their potential synergetic effect between the metals. To this purpose, four binucleating tetradentate ligands of the generic formula Di-nBu-DBF-Mennn-tpa were synthesized. The final ligands as …
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Synthesis and Characterization of Carbon Monoxide Producers Bipyridine Flavonolate Palladium(II) and Platinum(II) Complexes: Potential Anti-Cancer Agents
<p>Novel designed metal ligand complexes as prodrugs are useful in the effort to find more effective and selective anti-cancer<strong> </strong>treatments. Carbon monoxide, CO, is known to induce mitochondrial collapse in cancer cells. Herein is described the synthesis of seven novel bipyridine …
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Studies towards degradable polymers new zinc (II) and palladium (II) complexes as catalysts for lactide polymerization and carbon monoxide
In this study a range of new zinc and palladium complexes were synthesized, characterized and used in the production of degradable polymers. Zinc complexes were used for the production of polylactides (PLAs) functionalized with a drug candidate on a polymer tail. These functionalized polymers …
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Palladium assisted ring closures
… stereospecifically generates fused bicyclic palladium complexes upon treatment of cis and trans methyl-S-methyl-2-carbomethoxy-7-thio-hept-5-en-l-oate with lithium tetrachloropalladate and potassium tertbutoxide in moderate yield. The cyclization of the corresponding amines, cis and trans …
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Pyridine carboxamide and pyrazole palladium(II) complexes as catalyst precursors for phenylacetylene polymerization
… pyridine carboxamide ligands and their palladium complexes and investigate their catalytic activity in the polymerization process of phenylactylene.
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Catalytic enantioselective synthesis of oxindoles and benzofuranones bearing a quaternary stereocenter and reactions of palladium bisphosphine complexes relevant to catalytic C-C bond formation
… aplysin. In Part II reactivity of bisphosphine palladium-complexes is discussed. It is shown that the oxidative addition of bisphosphine palladium-complexes bearing P(t-Bu₂)Me occurs through an SN2-type mechanism. This discovery allows us rationalize the difference in catalytic activity between …
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The Mechanism of Formation of Pi-Allyl Palladium-Chloride Complexes From Olefins
… bearing allylic hydrogens to give $\pi$-allyl palladium complexes is accepted to be a two-step process. Previous workers reported isolation of the presumed $\pi$-olefin complex intermediates and their conversion to $\pi$-allyl complexes under typical reaction conditions. Mechanistic proposals …
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Computational study on the origins of asymmetric induction in Pd-catalyzed cross-coupling reactions and suggestions for improvements thereupon
… density functional theory. Monophosphine-bound palladium complexes are analyzed in the context of oxidative addition to aryl halides, and ligands are explored in terms of steric and electronic effects relevant to oxidative addition. As one of the most successful ligands to date for the …
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Synthesis, characterization and potential chromatographic separation of palladium and platinum complexes of N,N-Dialkyl-N'-Benzoylthioureas
… as well as their corresponding neutral bis complexes of type cis [ML₂] where M = Pd(II) and Pt(II) have been prepared and characterized. The structures of these compounds has been studied using high resolution nuclear magnetic resonance technique. Studies were also carried out to investigate …
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Iminophosphine complexes of palladium and platinum: catalysis and metallacycloalkanes synthesis
… were subsequently used to synthesize a range of palladium complexes of the types [Pd(P^N)Cl2] (3.7 â 3.12) and [Pd(P^N)(Me)Cl)] (3.13 â 3.18) from precursor complexes [Pd(COD)Cl2] and [Pd(COD)(Me)Cl], respectively. Platinum complexes of the type [Pt(P^N)Cl2] (3.19 â 3.24) were synthesized by the …
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Amphiphile Phosphane für die Anwendung in neuen polaren Medien
… of the racemic phosphines with chlorobridged palladium complexes of ortho-metallated (R)-Alpha-phenylethyldimethylamine oder (S)-Alpha-(1-naphthyl)ethyldimethylamine gave diastereomeric palladium complexes whose (S)-Alpha-(1-naphthyl)ethyldimethylamine derivatives can be resoluted by …
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Palladium-catalyzed reactions of ammonia, carbon monoxide, and cyanide
… from a series of bisphosphine-ligated arylpalladium(II) parent amido complexes countered several established trends. In contrast to arylamido and alkylamido complexes of the aromatic bisphosphines DPPF and BINAP, parent amido complexes did not form or undergo reductive elimination of …
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Amino acid-derived imidazolium salts: platform molecules for N-Heterocyclic carbene metal complexes and organosilica materials
… carbene (NHC) ligands within metal complexes. Complexes of Ag(I), Pd(II), and Ir(I) were successfully produced using known procedures using ligands derived from glycine, alanine, β-alanine and phenylalanine. The complexes were characterized in solid state using X-Ray crystallography, …
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