Concept

Bridging ligand

Related publications (283)

Head-To-Tail and Heteroleptic Pentanuclear Circular Helicates

Everybody form a circle: Careful design of ligand strands and their reaction with Cu2+ ions leads to the formation of the title helicates. Incorporation of differing numbers of N-donor units within a ligand strand containing a phenyl spacer results in a pe ...

2010

Eu(III) Complexes of Tetradentate Ligands Related to 2,9-Di(pyrid-20-yl)-1,10-phenanthroline and 2,20-Bi-1,10-phenanthroline

Jean-Claude Bünzli, Svetlana Eliseeva

A series of six tetradentate polypyridine-type ligands (L) have been used to prepare the corresponding Eu(III) complexes [Eu(L)2(S)]nþ (n = 2, 3) where S = H2O or CF3SO3 -. Two of the ligands, 2,9-di(pyrid-20-yl)-1,10- phenanthroline (4) and its dipyridoph ...

2010

Functional Nanostructures Based on Organometallic Half-Sandwich Complexes

Hexanuclear coordination cages of the formula [(C5Me4R)M(C7H3NO 4)]6 (M = Rh, Ir; R = Me, H) were obtained by stepwise reaction of [(C5Me4R)M(μ-Cl)Cl]2 with, first AgOAc and then pyridine-3,5-dicarboxylic acid. Crystallographic analyses show that the cages ...

EPFL2010

Acridone-Benzimidazole Ring-Fused Ligands: A New Class of Sensitizers of Lanthanide Luminescence via Low-Energy Excitation

Frédéric Gumy

Two monotopic tridentate ligands, namely HLAB1 and HLAB2 have been synthesized which feature an acridone chromophore fused on a benzimidazolepyridine framework. They differ from each other by their connection points between a N-methylacridone and a N-methy ...

Wiley-Blackwell2010

Synthesis and Photophysical Properties of Ln(III)-DOTA-Bipy Complexes and Ln(III)-DOTA-Bipy-Ru-II Coordination Conjugates

Jean-Claude Bünzli, Svetlana Eliseeva

The synthesis and the systematic and comparative photo-physical study of a series of visible (Eu-III, Tb-III) and NIR-emitting (Nd-III, Yb-III) lanthanide complexes (Ln(2)L) and ruthenium lanthanide coordination conjugates (Ln(2)LRu) are reported. The Gd-I ...

Wiley-Blackwell2010

Structure of Zirconocene Complexes Relevant for Olefin Catalysis: Infrared Fingerprint of the Zr(C5H5)(2)(OH)(CH3CN)(+) Cation in the Gas Phase

Ulrich Lorenz

Cationic zirconocene complexes are active species in Ziegler-Natta catalysis for olefin polymerization. structure and metal-ligand bond strength strongly influence their activity. In the present work, the multiphoton dissociation (IRMPD) spectrum of mass s ...

2010

Understanding the Effect of Magnesium Ion Concentration on the Catalytic Activity of Ribonuclease H through Computation: Does a Third Metal Binding Site Modulate Endonuclease Catalysis?

Matteo Dal Peraro

Ribonuclease H (RNase H) belongs to the nucleotidyl-transferase superfamily and hydrolyzes the phosphodiester linkage on the RNA strand of a DNA/RNA hybrid duplex. Due to its activity in HIV reverse transcription, it represents a promising target for anti- ...

2010

Alternative promoter usage at the notch1 locus supports ligand-independent signaling in T cell development and leukemogenesis

Freddy Radtke, Jialin Zhang

Loss of the transcription factor Ikaros is correlated with Notch receptor activation in T cell acute lymphoblastic leukemia (T-ALL). However, the mechanism remains unknown. We identified promoters in Notch1 that drove the expression of Notch1 proteins in t ...

Elsevier2010

Synthesis and characterisation of the water soluble bis-phosphine complex [Ru(η6-cymene)(PPh2(o-C6H4O)-κ2-P,O)(pta)]+ and an investigation of its cytotoxic effects

Paul Joseph Dyson, Rosario Scopelliti, Christian Hartinger, Anna Katherine Renfrew

Metal complexes bearing phosphine ligands are attracting increasing attention for their applications in medicinal chem. In particular, organometallic ruthenium-phosphine complexes have been found to exhibit promising antitumor activity. The synthesis, anti ...

Elsevier2010

Microwave-Assisted Organometallic Syntheses: Formation of Dinuclear [(Arene)Ru(-Cl)3RuCl(L-L')] Complexes (L-L'= Chelate Ligands with P/N/S-Donor Atoms) by Displacement of Arene pi-Ligands

Rosario Scopelliti, Kay Severin, Sébastien Gauthier

Microwave heating was employed to promote arene displacement in reactions of [{(p-cymene)RuCl2}(2)] or [{(1,3,5-C-6,H(3)iPr(3))RuCl2}(2)] with neutral chelate ligands L-L' [L-L': 1,1'-bis(diphenylphosphanyl)methane, 1,1'- bis(diphenylphosphanyl)ferrocene, ...

2009

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