Global ETD Search
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Showing 1 to 20 of 44 for “"heterobimetallic"”.
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Harnessing Aluminum Radicals via Heterobimetallic Complexes for Small-molecule Activation
… ligand design and main-group/transition-metal heterobimetallic cooperativity, enabling aluminum to participate in single-electron processes traditionally associated with transition metals and f-block elements. A central theme of this work is the development of multiple design strategies, …
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Ferrocene-derived Heterobimetallic Supramolecular Architectures: Synthesis, Guest Encapsulation and Stimulus-Responsive Studies
… on fashioning reversible stimulus-initiated heterobimetallic supramolecular structures whereby the structures would undergo partial disassembly when an external stimulus is applied and reassemble when the stimulus is removed. Heterobimetallic [PdmLn]x+ complexes bearing symmetrical …
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Synthesis, structure and spectroscopic investigations of luminescent heterobimetallic gold(I)-Rhodium(I) species
… characterized. Four gold(I)-rhodium(I) heterobimetallic complexes, AuIRh'(tBuNC)2(-dppm)2C12 (2), Au'Rh'(tBuNC)2(u-dmpm)2Cl2 (3), Au'Rh'(tBuNC)2(,u-tfepm)2C12 (4), and AuIRh(tBuNC)2(u-tfepma)2Cl2 (5) were synthesized and 2, 3, and 5 were crystallographically characterized. Absorption …
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Organoosmium(IV) Hydroxo Complexes and the Synthesis of Heterobimetallic Catalysts for Aerobic Alcohol Oxidation
Chapter 4. The compounds dibenzoylmethane and N-phenylsalicylaldimine react with VOCl3 in toluene to generate complex V(O)Cl2(dbm) (dbm =C6H5C(O)CHC(O)C 6H5) and a complex of the empirical formula C13H 11Cl3NO2V. The square pyramidal complex V(O)Cl 2(dbm) is a black solid that is stable in …
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The properties of zerovalent nickel-carbonyl-diphosine complexes and their application to the synthesis of heterobimetallic systems
… and their application to the synthesis of heterobimetallic systems. Two Ni(O)-carbonyl-diphosphine complexes [Ni(CO)(dppe-PP')(dppe-P)J and [ Ni(CO)2(dppm-P)2J have been prepared. [Ni(CO)(dppe-PP')(dppe-P)J has been prepared by the reaction of Nicl2.6tt2o with dppe, NaBH4 and co. The …
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Roussin's Red Salt Revisited: Synthesis and Characterization of Metal Nitrosyl Dimers and Clusters (Cubanes, Heterobimetallic, Metal Sulfides)
Since its preparation in 1858, "Roussin's Red Salt," M(,2)Fe(,2)((mu)-S)(,2)(NO)(,4) (M = Na('+), K('+)), has elicited little interest from the inorganic community. While our initial investigations into the chemistry of Roussin's Red Salt began as a simple query of the reactivity of this compound …
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Design, synthesis and characterization of water soluble heterobimetallic complexes and their evaluation as aqueous biphasic hydroformylation catalysts
… produce a series of novel ferrocenylimine-Rh(I) heterobimetallic complexes. Both themononuclear and heterobimetallic complexes were found to have good solubility in water of up to 11 mg/mL. The complexes were characterised fully using various spectroscopic and analytical techniques including 1H …
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Chiral Organometallic osmium(VI) Nitrido Complexes
… or [Os(N)(CH2SiMe3)PhCl2] - give chiral-at-metal heterobimetallic complexes that catalyze the oxidation of primary and secondary alcohols using molecular oxygen to give aldehydes and ketones respecively. The bidentate phosphines dppe and (S,S)-CHIRAPHOS bind with the Os-Cr heterobimetallic …
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Synthesis and reactivity of osmium-chromium oxidation catalysts and routes to a chiral analog
Osmium-chromium heterobimetallic complexes of the type (Y) (M(N)$\rm R\sb2(\mu$-O)$\rm\sb2CrO\sb2$) (Y = NBu$\sb4$, PPh$\sb4$; M = Os, Ru; R = Me, CH$\rm\sb2SiMe\sb3$, C$\rm\sb6H\sb5$) act as catalysts for the oxidation of primary and secondary alcohols to the corresponding aldehydes and ketones …
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Part I Synthesis and molecular Assemblies of d10 metal complexes bearing 9, 10-disubstituted anthracene ligand Part II Synthesis and spectroscopic studies of heterobimetallic platinum(II)-acetylide and platinum(0)-acetylene complexes
… of the electrochemical behavior of a series of heterobimetallic platinum(II)-acetylide complexes. In addition, to search for complexes of low-lying MLCT excited states, the electronic spectroscopic study of a series of platinum(0)-acetylene I? complexes was carried out.
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STRUCTURAL AND LUMINESCENT APPLICATIONS OF FUNCTIONALIZED SELF-ASSEMBLED SUPRAMOLECULAR COORDINATION COMPLEXES
… to explore real biological world by microscope, heterobimetallic complexes as luminescent probes have been developed. Finally, aggregated induced emission platinum (II) cage have been studied.
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Ultrafast photophysics of transition metal coordination complexes studied with femtosecond extreme ultraviolet transient absorption spectroscopy
… (M = Fe3+, Ni2+, Mn3+, Co2+) and a heterobimetallic complex CoMnCl(py3tren) are studied using a homebuilt extreme ultraviolet (XUV) transient absorption apparatus. XUV photons are produced via high-harmonic generation, allowing M-edge XANES measurements to be performed as an in-lab …
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Synthesis of Heterometallic nitridoruthenium(VI) Complexes With Nickel, Palladium, or Platinum: New Catalysts for the Aerobic Oxidation of Alcohols
… closely mirrors that of the previously described heterobimetallic complex [N(n-Bu4)][Os(N)(CH2SiCH3)2(mu 2-O)2CrO2]. It is first order in complex and first order in benzyl alcohol.
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Fundamental and Applied Studies in Asymmetric Catalysis
… of this thesis, a new class of optically active heterobimetallic complexes is described. The complexes L*MCl2 (M = Pt(II), Pd(II), L* = C2-symmetric boron containing bisphosphine ligand) and (Rh(cod)(L*)) ClO4 (cod = eta2,eta 2-1,5-cyclooctadiene) were synthesized as templates for asymmetric …
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Synthesis of Platinum Dirhenium Dodecacarbonyl and Its Use as a Catalyst Precursor (Bimetallic, Rhenium, Heterogeneous)
… the presence of CO leads to the formation of the heterobimetallic compounds Re(,2)Pt(CO)(,12) and Mn(,2)Pt(CO)(,12) in high yield. HM(CO)(,5) can be readily prepared and isolated in (TURN)85% yield by the reaction of M(CO)(,5)Br with Zn dust and H(,3)PO(,4) in tetraglyme, followed by vacuum …
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Late transition metal bimetallics for photocatalytic hydrogen production, M-X and C-H bond activation
… were undertaken by incorporating gold into a heterobimetallic rhodium-gold construct. Additionally the organometallic reactivity of two-electron mixed valence diiridium cores was explored with a specific emphasis on C-H bond activations in order to extend the cooperative bimetallic reactivity …
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Synthesis of multicomponent heavy alkali metal amide systems and extensions to zirconium chemistry
… deemed important to synthesise and characterise heterobimetallic species containing early and heavy alkali metal species adding to the solvent-coordination free heterobimetallic alkali metal building blocks. Due to the usage that sodium hexamethyldisilazide (NaHMDS) is gaining as a proton …
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Electrochemical behaviour of some organometallic compounds containing iron and molybdenum
… voltammetry. The electrochemical behaviour of heterobimetallic complexes of the type CpFe(CO)₂(CH₂)nMo(CO)₃Cp (n = 3 to 6) was found to be solvent dependent. The anodic waves obtained for these complexes in acetonitrile showed up as two closely spaced waves. Our results suggest that the two …
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The synthesis and properties of selected transition metal-pyrazole complexes and their application towards homogeneous catalysis
… a route to the synthesis of homobimetallic or heterobimetallic complexes containing the bridging ligand.<br/><br/>This study describes the preparation of Ni(II) and Ru(II) pyrazole and 3, 5-dimethyl pyrazole complexes by reaction of the pyrazoles with NiCl 2 (PPh3) 2 and RuCl 2 (PPh3)3 …
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