Showing papers in "Journal of Organometallic Chemistry in 2012"

TL;DR: In this article, the application of organometallic complexes in cell imaging is reviewed along with the fundamental requirements for a cell imaging agent, highlighting the contribution which organometallics chemistry can make in this area.

TL;DR: In this article, the authors used density functional theory (DFT) based on the B3LYP/m6-31G(d) model without any scaling and manipulation.

TL;DR: In this article, two Fe-doped boron clusters with wheel-type structures were observed, containing an octa-coordinate (C 8 v -Fe©B 8 − ) and a non-a-coordinate (D 9 h -Fe ©B 9 − ) Fe atom.

TL;DR: Porous chitosan microspheres (PCMS) were prepared from cross-linking polyethylene glycol (PEG) interpenetrating micro-spheres through selective dissolution of the water-soluble PEG component for the immobilization of palladium catalyst as discussed by the authors.

TL;DR: A dearomatized complex [RuH(PN 3 P)(CO)] (PN 3P]N, N 0 -bis(di-tert-butylphosphino)-2,6diaminopyridine) (3) was prepared by reaction of the aromatic complex with t-BuOK in THF as discussed by the authors.

TL;DR: In this paper, the authors investigated three different organocalcium catalysts for the hydroboration of 1,1-diphenylethylene (DPE) with catecholborane (HBcat) at room temperature.

TL;DR: In this article, a simple and industrially viable protocol for C-N and C-O coupling was reported, where a polymer supported heterogeneous copper catalyst was prepared from chloromethyl polystyrene using a simple procedure.

TL;DR: In this article, the catalytic activity and selectivity are significantly influenced by the ligand structure, with the latter being tunable within a wide range from cis-1-4 to trans-1,4.

TL;DR: In this paper, the reaction of 1,3-bis(pyridin-2-ylmethyl)-1H-imidazol-3-ium hexafluorophosphate with cuprous oxide in acetonitrile readily yielded trinuclear complexes.

TL;DR: In this paper, a self-consistent periodic density function theory is employed to investigate formaldehyde (CH2O) oxidation by platinum supported on perfect anatase TiO2(101) surface in the presence of adsorbed oxygen or hydroxyl species.

TL;DR: In this article, the reaction of H2L with [RuHCl(CO)(PPh3)3] in toluene gives [Ru(L)(CO), PPh3] (L = binegative tridentate-ONS donor ligand derived from salicylaldehyde/4-substituted salicynophenol/2-hydroxy-1-naphthaldehyde and o-aminothiophenol) at room temperature.

TL;DR: A series of nicotinoyl based organoselenium compounds, [2-NC5H3(3-COOH)Se]2 (1), [2NC 5H3 (3-CO)Se]-Se] (2), [ 2-NC 5 H3( 3-CONH2)Se],2 (3) and [2 NC 5 H 3(3CONHPh)SeI] (4) have been synthesized and characterized by absorption, IR, NMR (1H, 13C{1H}, 77Se

TL;DR: In this article, the rhenium complex fac -(5,5′-bisphenylethynyl-2,2′)-bipyridyl)Re(CO) 3 Cl was used as a novel catalyst for the electro-and photochemical reduction of CO 2 to CO in homogeneous solution.

TL;DR: In this article, a very easy method is described for direct phosphorylation of silica gel to afford silica diphenylphosphinite (SDPP), which was characterized by different techniques.

TL;DR: In this article, a plausible mechanism for the catalytic action of BiCl 3 /SiO 2 has been introduced, based on the Paal-Knorr pyrrole synthesis in hexane at room temperature.

TL;DR: In this paper, a novel ferrocene functionalized polyester dendrimer (PEDr-Fc) containing 6, 12 and 24 peripheral ferrocenes moieties was obtained using the esterification reaction between Ferrocene carboxylic and polyester Dendrimers.

TL;DR: In this paper, the DNA-binding properties of organotin(IV) chlorides with Schiff base ligands derived from 2-hydroxy-1-naphthaldehyde and 4-aminobenzoic acid were investigated.

TL;DR: In this paper, the DNA interaction of the complexes (3, 5) was investigated by UV-Vis spectroscopy and cyclic voltammetry (CV), and the complex-DNA binding constant was found to vary in the sequence.

TL;DR: In this article, a new and environmentally benign method for the preparation of N-substituted pyrroles from one-pot-condensation reaction of 2,5-hexanedione with amines and diamines in the presence of polystyrene-supported gallium trichloride (PS/GaCl 3 ) as a highly active and reusable heterogeneous Lewis acid catalyst is presented.

TL;DR: In this article, a series of nickel(II) halide complexes was synthesized and characterized by FT-IR spectroscopy and elemental analysis using single-crystal X-ray crystallographic studies.

TL;DR: In this article, the N-heterocyclic carbene (NHC) precursors were synthesized by reacting 4,5-bisaryl-1H-imidazole with 2 equivalents of 4-benzyl bromide, 4-methyl-bromide or 4-cyanobenzyl Bromide.

TL;DR: A series of cobalt(II) (1a-6a) and nickel(II (1b-6b) complexes supported by imino- or amino-pyridyl alcohol ligands (tridentate [NNO]) were synthesized and characterized by elemental and spectroscopic analysis along with X-ray diffraction analysis as discussed by the authors.

TL;DR: In this paper, a series of model Ziegler-Natta (Z-N) catalysts to form the Ti-H bond was studied within DFT and the reactivity of the Ti bond towards ethylene and propylene (1,2-and 2,1-) insertion was investigated.

TL;DR: In this article, a family of threefold symmetry phosphite ligands derived from enantiomerically pure (R )-BINOL was developed, which showed remarkable catalytic activity in the hydroformylation of hindered phenylpropenes, under relatively mild reaction conditions.

TL;DR: In this paper, the reaction of enol-functionalized imidazolium salt H2LBr (L = 4-OMe-C6H4COCH{C(NCHCHNiPr)}) and NaN(TMS)2 at a molar ratio of 1:4:1 in THF at room temperature afforded the corresponding novel enol functionalized N-heterocyclic carbene (NHC) lanthanide amides L2LnN/TMS2 (Ln = Y (1), Nd, Sm

TL;DR: In this paper, the synthesis of water-soluble N-heterocyclic carbene complexes for aqueous phase hydrogenation reactions is described and the results show good hydrogenation activities under ca 40-atm pressure H 2 at room temperature.

TL;DR: In this article, the synthesis of eight new octahedral ruthenium(II) carbonyl benzoylhydrazone complexes having the general molecular formula [Ru(L)(CO)(EPh3)2] (where E = P or As; H2L = H 2L, the two H's representing the two dissociable protons) has been described.

TL;DR: In this article, the coordination geometry around the metal center in the dinuclear complex 2a and the mononuclear complexes 2c and 2e was unambiguously established by single crystal X-ray diffraction.

TL;DR: The microwave assisted double Kabachnik-Fields (phospha-Mannich) reaction of benzylamine and arylamines, two equivalents of paraformaldehyde and the P(O)H reagent, such as dialkyl phosphites, ethyl phenyl-H-phosphinate and diphenylphosphine oxide gave the bis(PO)CH2)amine derivatives in good yields as discussed by the authors.