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Water oxidation catalysed by a mononuclear Co(II) polypyridine complex; possible reaction intermediates and the role of the chloride ligand.
TLDR
Experimental evidence points towards the presence of a chloride ligand at the cobalt centre throughout the catalytic cycle, and the temporary detachment of a pyridine ligand to open a coordination site for substrate binding. Expand
Boryl (Hetero)aryne Precursors as Versatile Arylation Reagents: Synthesis through C–H Activation and Orthogonal Reactivity
TLDR
This approach enables the unprecedented postfunctionalization of fluoride-activated (hetero)aryne precursors, for example, as substrates in transition-metal catalysis, and offers valuable new possibilities for aryl boronate post functionalization without the use of specialized protecting groups. Expand
Enhanced Photochemical Hydrogen Production by a Molecular Diiron Catalyst Incorporated into a Metal–Organic Framework
TLDR
Improved catalytic performance is ascribed to structural stabilization of the complex when incorporated in the MOF as well as the protection of reduced catalysts 1– and 12– from undesirable charge recombination with oxidized ascorbate. Expand
Organophosphorus Compounds in Organic Electronics.
TLDR
Applications of organophosphorus materials range from single molecule sensors, field effect transistors, organic light emitting diodes, to polymeric materials for organic photovoltaic applications. Expand
Ru-Catalysed C–H Arylation of Indoles and Pyrroles with Boronic Acids: Scope and Mechanistic Studies
TLDR
The Ru-catalysed C2–H arylation of indoles and pyrroles by using boronic acids under oxidative conditions is reported and Mechanistic studies suggest the on-cycle intermediates do not possess a para-cymene ligand and that theOn-cycle metalation occurs through an electrophilic attack by the Ru centre. Expand
Efficient identification of flavones, flavanones and their glycosides in routine analysis via off-line combination of sensitive NMR and HPLC experiments.
TLDR
A standardized, straightforward and efficient approach applicable in routine analysis of flavonoids combining sensitive NMR and HPLC experiments, which enables a rapid identification and routineAnalysis of flavones and flavanones from plant extracts and other products in nutrition and food chemistry. Expand
Isomerization and Aggregation of the Solar Cell Dye D149
TLDR
The photochemical properties of D149 in nonpolar and polar solvents, polymer matrices, and adsorbed on ZrO2, partially including a coadsorbent are investigated to help develop design strategies for further improvement of solar cell dyes. Expand
Brønsted acid-catalyzed intramolecular nucleophilic substitution of the hydroxyl group in stereogenic alcohols with chirality transfer.
TLDR
Density functional theory calculations corroborate a reaction pathway where the phosphinic acid operates as a bifunctional catalyst in the intramolecular substitution reaction, enhancing the leaving group ability and nucleophilicity. Expand
Coordination and conformational isomers in mononuclear iron complexes with pertinence to the [FeFe] hydrogenase active site.
TLDR
The electronic properties of the complexes are strongly, and independently, influenced by the P-substituents at the P(R)2N(Ph)2 ligand as well as by modifications of the bdt bridge, illustrating the advantages of this modular platform, which allows independent and selective tuning through site specific modifications. Expand
Iron Pentapyridyl Complexes as Molecular Water Oxidation Catalysts: Strong Influence of a Chloride Ligand and pH in Altering the Mechanism.
TLDR
A chloride ligand in one of the iron complexes is shown to affect the activity strongly, improve stability and, thereby, the performance at pH 8 but it inhibits oxygen evolution at pH≈1.5. Expand
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