Effects of the Linking of Cyclopentadienyl and Ketimide Ligands in Titanium Half‐Sandwich Olefin Polymerization Catalysts
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DOI: 10.1002/cctc.201700498
Abstract: The role of the ketimide ligand geometry in Ti half‐sandwich complexes and the consequent effects in olefin polymerization catalysis (ethylene, styrene, 1‐hexene polymerization, and ethylene/1‐hexene copolymerization) were investigated under various conditions. [CpTiCl2(N=CtBu2)] (1; Cp=η5‐cyclopentadienyl) was used… read more here.
Keywords: cyclopentadienyl; polymerization; polymerization catalysts; olefin polymerization ... See more keywords
Rhodocenium Functionalization Enabled by Half‐Sandwich Capping, Zincke Reaction, Diazoniation and Sandmeyer Chemistry
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DOI: 10.1002/ejic.202100525
Abstract: Abstract In continuation of our exploration of metallocenium chemistry we report here on innovative ways toward monofunctionalized rhodocenium salts applying half‐sandwich capping reactions of cyclopentadienyl rhodium(III) halide synthons with cyclopentadienyl ylides containing pyridine, phosphine or… read more here.
Keywords: sandwich capping; sandmeyer; chemistry; rhodocenium ... See more keywords
Binding mechanisms of half-sandwich Rh(III) and Ru(II) arene complexes on human serum albumin: a comparative study
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DOI: 10.1007/s00775-019-01683-0
Abstract: Various half-sandwich ruthenium(II) arene complexes and rhodium(III) arene complexes have been intensively investigated due to their prominent anticancer activity. The interaction of the organometallic complexes of Ru(η6-p-cymene) and Rh(η5-C5Me5) with human serum albumin (HSA) was… read more here.
Keywords: iii arene; human serum; arene; half sandwich ... See more keywords
Synthesis and structural studies of half-sandwich Cp* rhodium and Cp* iridium complexes featuring mono, bi and tetradentate nitrogen and oxygen donor ligands
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DOI: 10.1007/s12039-017-1270-x
Abstract: A series of Cp*Rh and Cp*Ir complexes of various nitrogen and oxygen donor ligands were synthesized and characterized. Mono, bi and tetradentate ligands were used to synthesize mononuclear and dinuclear complexes. Schiff base derivatives of… read more here.
Keywords: oxygen donor; donor ligands; mono tetradentate; nitrogen oxygen ... See more keywords
Exohedral complexation of B39- with ECp∗+ half-sandwich complexes (ESi, Ge, Sn, Pb): A DFT study
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DOI: 10.1016/j.comptc.2018.07.018
Abstract: Abstract The hexagonal and heptagonal holes of B 39 - allow its complexation with a half sandwich complex ECp∗+ (E Si, Ge, Sn, Pb). Structure and the nature of bonding of (η6/7-B39)E(η5-Cp∗) are explored through… read more here.
Keywords: b39 ecp; complexation; half sandwich; b39 ... See more keywords
Potent half-sandwich Ru(Ⅱ) N^N (aryl-BIAN) complexes: Lysosome-mediated apoptosis, in vitro and in vivo anticancer activities.
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DOI: 10.1016/j.ejmech.2020.112763
Abstract: Herein a new series of organometallic half-sandwich Ru(Ⅱ) complexes bearing aryl-BIAN chelating ligands with various electron-withdrawing and electron-donating substituents have been developed as theranostic agents. All the complexes display much higher anti-proliferative potency than the… read more here.
Keywords: lysosome mediated; aryl bian; apoptosis vitro; apoptosis ... See more keywords
Computational insights into electrocatalytic CO2 reduction facilitated by Mn(I) half sandwich-based catalysts: Role of substitution and solvent
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DOI: 10.1016/j.electacta.2020.137463
Abstract: Abstract Using the density functional theory (DFT) calculations, we have considered a series of Mn(I) half sandwich-based catalysts and explored the electrochemical CO2 reduction to CO. Various substituents (NH2, CMe3, CH3, OH and COOH) and… read more here.
Keywords: reduction; co2 reduction; sandwich based; based catalysts ... See more keywords
Cyanosilylation of carbonyl compounds catalyzed by half-sandwich (η6-p-cymene) Ruthenium(II) complexes bearing heterocyclic hydrazone derivatives
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DOI: 10.1016/j.ica.2020.120006
Abstract: Abstract A new class of half-sandwich (ƞ6-p-cymene) ruthenium(II) complexes supported by heterocyclic hydrazone derivatives of general formula [Ru(ƞ6-p-cymene)(Cl)(L)] where L represents N’-((1H-pyrrol-2-yl)methylene)furan-2-carbohydrazide (L1), N’-((1H-pyrrol-2-yl)methylene)thiophene-2-carbohydrazide (L2) or N’-((1H-pyrrol-2-yl)methylene)isonicotinohydrazide (L3) were synthesized. Both ligand precursors and complexes… read more here.
Keywords: heterocyclic hydrazone; cymene ruthenium; sandwich cymene; cymene ... See more keywords
Half-sandwich iridium(III) complexes with α-picolinic acid frameworks and antitumor applications.
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DOI: 10.1016/j.jinorgbio.2018.12.012
Abstract: Eight half-sandwich iridiumIII (IrIII) complexes of the general formula [(η5-Cpxbiph)Ir(O^N)Cl] (Cpxbiph is tetramethyl(biphenyl)cyclopentadienyl, and the O^N is α-picolinic acid chelating ligand and its derivatives) were synthesized and characterized. Compared with cis-platin widely used in clinic,… read more here.
Keywords: half sandwich; iriii complexes; picolinic acid;
Bioactive half-sandwich Rh and Ir bipyridyl complexes containing artemisinin.
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DOI: 10.1016/j.jinorgbio.2021.111408
Abstract: Reaction of dihydroartemisinin (DHA) with 4-methyl-4'-carboxy-2,2'-bipyridine yielded the new ester derivative L1. Six novel organometallic half-sandwich chlorido Rh(III) and Ir(III) complexes (1-6) containing pentamethylcyclopentadienyl, (Cp*), tetramethylphenylcyclopentadienyl (Cpxph), or tetramethylbiphenylcyclopentadienyl (Cpxbiph), and N,N-chelated bipyridyl group of… read more here.
Keywords: sandwich bipyridyl; bioactive half; artemisinin; complexes containing ... See more keywords
Amidation of aldehydes using mono-cationic half-sandwich rhodium(III) complexes with functionalized phenylhydrazone ligands
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Organometallic Chemistry"
DOI: 10.1016/j.jorganchem.2019.02.018
Abstract: Abstract A series of mono-cationic half-sandwich rhodium(III) complexes have been synthesized in methanol using phenylhydrazone-derived ligands (L1–L6) and the starting precursor [(η5-C5Me5)2Rh2(μ-Cl)2Cl2] in a 2:1 molar ratio. The N,N′-phenylhydrazone complexes have been isolated as tetraphenylborate… read more here.
Keywords: mono cationic; phenylhydrazone; cationic half; half sandwich ... See more keywords