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Synthesis, characterization and photoreactivity of rhenium and molybdenum carbonyl complexes with iminopyridine ligands

27-Sep-2015 | Author(s): Elham Kianfar, Manuel Kaiser, Günther Knör, Journal of Organometallic Chemistry, 2015

Publication date: 15 December 2015 Source:Journal of Organometallic Chemistry, Volumes 799–800 Author(s): Elham Kianfar, Manuel Kaiser, Günther Knör In this report a series of novel rhenium tricarbonyl and molybdenum tetracarbonyl complexes containing pyridine-based 1,2-diimine ...


Synthesis and Reactivity of Manganese(II) Complexes Containing N-Heterocyclic Carbene Ligands

24-Sep-2015 | Malik H. Al-Afyouni; V. Mahesh Krishnan; Hadi D. Arman; Zachary J. Tonzetich, Organometallics, 2015

A series of manganese(II) complexes containing aryl-substituted N-heterocyclic carbene (NHC) ligands have been synthesized and characterized. Chloride complexes of Mn(II) containing the NHC ligands 1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene (IPr) and 1,3-dimesitylimidazol-2-ylidene (IMes) ...


How Does Confinement Change Ligand–Receptor Binding Equilibrium? Protein Binding in Nanopores and Nanochannels

23-Sep-2015 | Mario Tagliazucchi; Igal Szleifer, Journal of the American Chemical Society, 2015

We present systematic studies for the binding of small model proteins to ligands attached to the inner walls of long nanochannels and short nanopores by polymeric tethers. Binding of proteins to specific ligands inside nanometric channels and pores leads to changes in their ionic conductance, ...


Metal Effects on the Asymmetric Cycloaddition Reaction between 3,4-Dimethyl-1-phenylphosphole and Sulfoxide

22-Sep-2015 | Mengtao Ma; Na Zhang; Yongxin Li; Sumod A. Pullarkat; Pak-Hing Leung, Organometallics, 2015

The orthometalated [1-(dimethylamino)ethyl]naphthalene platinum(II) complex has been used successfully to promote the asymmetric cycloaddition reaction between 3,4-dimethyl-1-phenylphosphole and sulfoxide in high selectivity. The exo-cycloadduct coordinated to the platinum template as bidentate ...


Diselenophosphate‐Induced Conversion of an Achiral [Cu20H11{S2P(OiPr)2}9] into a Chiral [Cu20H11{Se2P(OiPr)2}9] Polyhydrido Nanocluster

21-Sep-2015 | Rajendra S. Dhayal, Jian‐Hong Liao, Xiaoping Wang, Yu‐Chiao Liu, Ming‐His Chiang, Samia Kahlal, Jean‐Yves Saillard, ..., Angewandte Chemie International Edition, 2015

Abstract A polyhydrido copper nanocluster, [Cu20H11{Se2P(OiPr)2}9] (2H), which exhibits an intrinsically chiral inorganic core of C3 symmetry, was synthesized from achiral [Cu20H11{S2P(OiPr)2}9] (1H) of C3h symmetry by a ligand‐exchange method. The structure has a distorted cuboctahedral Cu13 ...


Mechanistic Aspects of Aryl–Halide Oxidative Addition, Coordination Chemistry, and Ring‐Walking by Palladium

18-Sep-2015 | Olena V. Zenkina, Ori Gidron, Linda J. W. Shimon, Mark A. Iron, Milko E. van der Boom, Chemistry - A European Journal, 2015

Abstract This contribution describes the reactivity of a zero‐valent palladium phosphine complex with substrates that contain both an aryl halide moiety and an unsaturated carbon–carbon bond. Although η2‐coordination of the metal center to a CC or CC unit is kinetically favored, aryl halide ...


Influence of the Crystal Structure on the Luminescence Properties of Mixed Eu,La–(1,10‐Phenanthroline) Complexes

17-Sep-2015 | Ting‐Hai Yang, Lianshe Fu, Rute A. S. Ferreira, Mariela M. Nolasco, João Rocha, Luís D. Carlos, Fa‐Nian Shi, European Journal of Inorganic Chemistry, 2015

Abstract A series of europium Eu‐ and La‐doped complexes with two different crystal structures, namely, EuxLa1–x(phen)2(NO3)3 [phen = 1,10‐phenanthroline, x = 1.0 (1), 0.88 (2), 0.73 (3), and 0.52 (4)] and {[EuxLa1–x(phen)2(H2O)2(NO3)2](NO3)·2(phen)(H2O)} [x = 0.28 (5) and 0.0 (6)], were ...


3‐(Pyridin‐2‐yl)imidazo[1,5‐a]pyridine (Pyridylindolizine) as Ligand in Complexes of Transition and Main‐Group Metals

17-Sep-2015 | Celedonio M. Álvarez, Lucía Álvarez‐Miguel, Raúl García‐Rodríguez, Jose M. Martín‐Álvarez, Daniel Miguel, European Journal of Inorganic Chemistry, 2015

Abstract The coordination of the easily prepared 3‐(pyridin‐2‐yl)imidazo[1,5‐a]pyridine (pyridylindolizine, Py‐indz) ligand to several metal moieties was studied, and its electronic properties, similar to those of the classical ligands 2,2′‐bipyridine (bipy) and 1,10‐phenanthroline (phen), are ...


Phenoxy-Linked Mesoionic Triazol-5-ylidenes as Platforms for Multinuclear Transition Metal Complexes

17-Sep-2015 | Daniel Mendoza-Espinosa; Rodrigo González-Olvera; Guillermo E. Negrón-Silva; Deyanira Angeles-Beltrán; Oscar R. Suár ..., Organometallics, 2015

The preparation and full characterization of a variety of mono- ([L1-H]), di- ([L2-H2], [L2A-H2]), and tri- ([L3-H3]) 1,2,3-triazolium salts constructed form “clicked” hydroxybenzene derivatives are reported. Deprotonation with potassium hexamethyldisilazide, followed by in situ metalation, ...


Systematic Investigation of High‐Sensitivity Luminescent Sensing for Polyoxometalates and Iron(III) by MOFs Assembled with a New Resorcin[4]arene‐Functionalized Tetracarboxylate

11-Sep-2015 | Shuai‐Tong Zhang, Jin Yang, Hua Wu, Ying‐Ying Liu, Jian‐Fang Ma, Chemistry - A European Journal, 2015

Abstract A new family of resorcin[4]arene‐based metal–organic frameworks (MOFs), namely, [Eu(HL)(DMF)(H2O)2]⋅3 H2O (1), [Tb(HL)(DMF)(H2O)2] 3 H2O (2), [Cd4(L)2(DMF)4(H2O)2] 3 H2O (3) and [Zn3(HL)2(H2O)2] 2 DMF⋅7 H2O (4), have been constructed from a new resorcin[4]arene‐functionalized ...


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