1. Advantages of Chemical Redox Agents 878 2. Disadvantages of Chemical Redox Agents 879 C. Potentials in Nonaqueous Solvents 879 D. Reversible vs Irreversible ET Reagents 879 E. Categorization of Reagent Strength 881 II. Oxidants 881 A. Inorganic 881 1. Metal and Metal Complex Oxidants 881 2. Main Group Oxidants 887 B. Organic 891 1. Radical Cations 891 2. Carbocations 893 3. Cyanocarbons and Related Electron-Rich Compounds 894

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Chemical Redox Agents for Organometallic Chemistry

Organometallic molecular wires and other nanoscale-sized devices: An approach using the organoiron (dppe)Cp*Fe building block

Over the past twenty years, a correlation between the P–M–P bite angle in diphosphine complexes and selectivity has been observed in various catalytic reactions such as hydroformylation, hydrocyanation and cross coupling. The large number of examples indicates that this correlation is not fortuitous. In order better to understand the underlying principles of the bite angle effect, we have first analysed crystal structures available in the Cambridge Crystallographic Database. Systematic searches indicate that for many bidentate diphosphine ligands the P–M–P angles concentrate in surprisingly small ranges, even if complexes of different metals in various oxidation states are considered. Several examples in the literature show that continuous electronic changes associated with changing bite angles cannot only be verified by different spectroscopic techniques, but also explained on a theoretical level (Walsh diagrams). The ligand bite angle is a useful parameter for the explanation of observed rates and selectivities and likewise for the design of ligands for new catalytic reactions.

The bite angle makes the difference: a practical ligand parameter for diphosphine ligands

Electronic communication in heterobinuclear organometallic complexes through unsaturated hydrocarbon bridges

Recent developments in the coordination chemistry of selenoether and telluroether ligands

Oxidized Ruthenium Ferrocenylacetylide Complexes, [(.eta.-C5H5)L2RuCCFc]PF6 and [(.eta.-C5Me5)L2RuCCFc]PF6 (L = Phosphines). Electron-Delocalized Heterobinuclear Mixed-Valence Complexes

Synthesis, some reactions, and molecular structure of the Pd(BF4)2 complex of 1,1′-bis(diphenylphosphino)ferrocene

Molecular structure and electrochemical properties of the PtII complex of 1,1′-bis(methylthio)ferrocene and the PdII complexes of 1,4,7-trithia[7]- and 1,5,9-trithia[9] (1,1′)ferrocenophanes

Masato Sekino

Papers

Oxidized Ruthenium Ferrocenylacetylide Complexes, [(.eta.-C5H5)L2RuCCFc]PF6 and [(.eta.-C5Me5)L2RuCCFc]PF6 (L = Phosphines). Electron-Delocalized Heterobinuclear Mixed-Valence Complexes

Synthesis, some reactions, and molecular structure of the Pd(BF4)2 complex of 1,1′-bis(diphenylphosphino)ferrocene

Molecular structure and electrochemical properties of the PtII complex of 1,1′-bis(methylthio)ferrocene and the PdII complexes of 1,4,7-trithia[7]- and 1,5,9-trithia[9] (1,1′)ferrocenophanes

Synthesis and some properties of Pd(BF4)2 and Pt(BF4)2 complexes of 1,1′-bis[(alkyl- or phenyl-)chalcogeno]ferrocenes

Pd(BF4)2 complexes of 1,1′-bis(alkyl- or aryl-)thio]- and 1,1′-bis(diphenylphosphino)-ferrocenes. Bond formation between the Fe and Pd atoms