Dalton Transactions Blog

Andrée Kirsch – De Mesmaeker and coworkers investigate the binding and cross-linking processes in two ruthenium-based complexes tethered to a DNA strand, in this hot article:

Photo-reactive RuII-oligonucleotide conjugates: influence of an intercalating ligand on the inter- and intra-strand photo-ligation processes
Stéphane Le Gac, Martin Foucart, Pascal Gerbaux, Eric Defrancq, Cécile Moucheron and Andrée Kirsch – De Mesmaeker
Dalton Trans., 2010, Advance Article
DOI: 10.1039/C0DT00355G, Paper
 

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In this hot article the authors describe the synthesis and the characterizations of two new ruthenium complexes exhibiting proton coupled four- or six-electron photoreduction in solution in presence of a sacrificial electron donor.

These complexes are among very few systems where stepwise multi-photon absorption are accompanied by multi-reducing equivalents storage and could be useful to convert solar energy into fuels:

Photoinduced four- and six-electron reduction of mononuclear ruthenium complexes having NAD+ analogous ligands
Takashi Fukushima, Tohru Wada, Hideki Ohtsu and Koji Tanaka
Dalton Trans., 2010, Advance Article
DOI: 10.1039/C0DT00504E, Paper

READ FOR FREE until the 18th of October.

Wolfram Rudolph performs an in-depth study of phosphoric acid in water and heavy water using Raman- and infrared-spectroscopy:

Raman- and infrared-spectroscopic investigations of dilute aqueous phosphoric acid solutions
Wolfram W. Rudolph
Dalton Trans., 2010, Advance Article
DOI: 10.1039/C0DT00417K, Paper

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James Donahue and coworkers provide mechanistic insights into the reduction of CO₂ to CO mediated by a variety of Tungsten (II) complexes, expanding on earlier work by Mayer et al.:

A tungsten-mediated closed cycle of reactivity for the reduction of CO2 to CO
Upul Jayarathne, Perumalreddy Chandrasekaran, Heiko Jacobsen, Joel T. Mague and James P. Donahue
Dalton Trans., 2010, Advance Article
DOI: 10.1039/C0DT00489H , Paper

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In this hot article Douglas Stephan and coworkers describe a tailorable new class of potent donor ligand that could be exploited in gold catalysis:

Ag(I) and Au(I) complexes of sterically crowded cyclic phosphinimine ligands
Christopher C. Brown, Christoph Glotzbach and Douglas W. Stephan
Dalton Trans., 2010, Advance Article
DOI: 10.1039/C0DT00261E, Paper

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In this hot article from Tacke and coworkers on the coordination chemistry of silicon, they describe new hexacoordinate silicon complexes including some scarcely reported silicon amidinate complexes:

Novel neutral hexacoordinate silicon(IV) complexes with two bidentate monoanionic benzamidinato ligands
Konstantin Junold, Christian Burschka, Rüdiger Bertermann and Reinhold Tacke 
Dalton Trans., 2010, Advance Article
DOI: 10.1039/C0DT00391C, Paper

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In this hot article Robert Mulvey and colleagues investigate the coordination chemistry of NHC with s-block elements and the structural chemistry of organomagnesium compounds leading to some interesting discoveries:

N-Heterocyclic carbene stabilized adducts of alkyl magnesium amide, bisalkyl magnesium and Grignard reagents: trapping oligomeric organo s-block fragments with NHCs
Alan R. Kennedy, Robert E. Mulvey and Stuart D. Robertson
Dalton Trans., 2010, Advance Article
DOI: 10.1039/C0DT00693A, Paper

READ NOW! This article is free to access until the 28th of September.