Showing papers in "Coordination Chemistry Reviews in 2008"

TL;DR: A review of the catalytic activity of metal complexes of binaphthyl compounds and their combinations with salen Schiff base is presented in this paper, where the pyridyl bis (imide) and pyridine bis(imine) complexes of cobalt(II), iron(II) ions have been used as catalysts in the polymerization of ethylene and propylene.

TL;DR: The formation of capsule-based architectures is often challenging and can produce structures on a multi nano-metre scale that can serve specific functions as discussed by the authors, however the formation of these assemblies is often very challenging and produces structures that can be easily assembled.

TL;DR: In this paper, the authors provide an overview of some of the strategies for maximising the luminescence efficiencies of simple square-planar platinum(II) complexes in solution, including the introduction of strong-field co-ligands into di- and tri-imine complexes, involvement of intraligand charge-transfer excited states, and cyclometallation.

TL;DR: In this paper, a review article focuses on some of the recent work published in the areas of lanthanide luminescent sensing of ions and molecules, and the formation of self-assembly structures.

TL;DR: This work reviews the recent efforts in functional model chemistry of the oxygen-evolving complex of photosystem II and proposes mechanistic proposals for photosynthetic water oxidation.

TL;DR: In this article, the design and synthetic strategies for the construction of porous metallosupramolecular networks are presented and relationship between the structures and functions is discussed, where the authors show various functions such as gas adsorption, molecular recognition, ion exchange, sensing, and production of metal nanoparticles.

TL;DR: In this paper, a basic nine-step reaction cycle involving eight steps of alternating deprotonation and oxidation of the Mn-complex prior to O-O bond formation and dioxygen release is discussed.

TL;DR: Recent advances in the study of the Oxygen Evolving Complex (OEC) of Photosystem II (PSII) include structural information attained from several X-ray crystallographic and spectroscopic investigations that offer better insight into the possible pathways used by PSII to drive photosynthetic water oxidation catalysis.

TL;DR: In this paper, a review of the recent results in the field of metal-organic frameworks (MOFs) is presented, bringing together the systematic approaches with results obtained by serendipity to give an overview on current and future possibilities.

TL;DR: Chiral intermediates were prepared by biocatalytic processes for the chemical synthesis of four pharmaceutical drug candidates and served as intermediates for thromboxane A2 antagonist.

TL;DR: An overview of key excited-state processes established in these complexes is presented in this paper, with particular emphasis on recent developments and insights, as well as ramifications for developing successful strategies to prolong luminescence lifetimes and increase quantum yields.

TL;DR: In this paper, the effect of light on the oxygen-evolving complex and the recent hypothesis suggesting that light absorption of the manganese cluster plays a crucial role in photoinhibition is discussed.

TL;DR: The use of polymer and solid-supported catalysts, ionic liquids and fluorous biphase systems (FBS) has been demonstrated to facilitate the recyclability of the catalysts as mentioned in this paper.

TL;DR: Although some ruthenium nitrosyls are stable under physiological conditions and are capable to NO delivery to proteins such as myoglobin and cytochrome c oxidase, so far success has been limited in using these nitroSyls as light-activated NO donors in cellular and tissue models.

TL;DR: The recent availability of X-ray crystallographic structures of Photosystem II (PSII) together with refined steady-state and time-resolved spectroscopic analyses of site-directed mutants, are leading to a more detailed understanding of the function of this photosystem as mentioned in this paper.

TL;DR: In this article, X-ray crystallographic data from 25 hydroxamato and 17 hydroximato mononuclear non-oxo-containing complexes with bidentate O, O 'coordination from monohydroxamic acids was analyzed.

TL;DR: In this article, the best current structural model of the inorganic ion cluster, based on polarized EXAFS experiments on crystals of the photosystem, shows Ca2+ ligated by carboxyl groups from amino acid residues (alanine, glutamate) that bridge to Mn atoms.

TL;DR: The hypothesis is presented that changes in metal ion homeostatic control, particularly of redox-active metals such as iron and copper, in specific brain regions, leads to the generation of reactive oxygen species, which either directly damage key proteins, or lead to the formation of reactive aldehydes.

TL;DR: In this article, a review of metallo-supramolecular architectures and their functional properties is presented, with an emphasis on their potential use in the area of molecular recognition and sensing and the use of metallocyclic supramolecules in solid-state thin films for size-selective and chemical composition selectivity of volatile organic guest compounds.

TL;DR: In this article, expanded ligands incorporate metal-containing groups as spacers between metal-binding domains, and they are analyzed based on {M(tpy) 2 } (tpy = 2,2′:6′,2″-terpyridine) scaffolds.

TL;DR: The square planar Ag(I) ion is a rare ion, with only ∼2% of all reported silver complexes possessing this stereochemistry as discussed by the authors, despite the fact that there are currently around 65 well characterised complexes containing squareplanar Ag (I) ions, about half of which are coordination polymers.

TL;DR: Chiral iridium catalysts have been used in the asymmetric hydrogenation of largely unfunctionalized olefins for a decade as mentioned in this paper, and they have also been applied to substrates with more exotic functional groups, including non-coordinating ones.

TL;DR: A review of chiral dirhodium(II) paddlewheel complexes as catalysts for asymmetric metal carbenoid and metal nitrenoid reactions, and as Lewis acids, highlights that many of these catalysts have higher symmetry than the individual chiral ligands themselves.

TL;DR: In this article, an overview of recent progress in the addition copolymerization of ethylene or α-olefins with cyclic olefins by various organometallic catalysts is provided.

TL;DR: In this article, the authors present a compendium of all the relevant ligands made that have been employed in this context, summarizing the synthetic routes to their preparation and discuss the synthesis, structure and some aspects of the coordination compounds that have resulted from their reactions with various metals.

TL;DR: In this article, the iron coordination chemistry of 3,5-di(2-pyridyl)-1,2,4-triazoles and 1,2.4-Triazolates is reviewed.

TL;DR: A detailed evaluation of the literature on this topic, aimed at identifying the most accurate data on phytate coordination chemistry in solution is presented in this article, reporting and analyzing the most significant thermodynamic parameters published for both PHYTE protonation and complex formation with several metal and organometal cations, as well as polyammonium ligands.

TL;DR: In this article, metal-enzyme bicatalyses for the dynamic kinetic resolution (DKR) of alcohols and amines are summarized emphasizing the features of racemization catalysis.

TL;DR: In this article, the authors classified symmetric and asymmetric compartmental acyclic Schiff bases and their reduced polyamine analogues according to their synthetic procedures, i.e. the condensation ratio between the formyl (or keto) and amine precursors.

TL;DR: In this article, the authors summarize recent approaches of artificial metalloenzymes applied to catalysis, and discuss different strategies of anchoring and screening for improved selectivity, including different approaches of clustering and screening.