Metallophthalocyanines as catalysts in electrochemical reactions

Reactions of transition metal-coordinated nitriles

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Metal-Assisted Cycloaddition Reactions in Organotransition Metal Chemistry

A spectroscopic and structural investigation of binuclear silver(I) complexes supported by aliphatic phosphine ligands, namely [Ag(PCy3)(O2CCF3)]2 (1), [Ag2(μ-dcpm)2]X2 (X = CF3SO3, 2; PF6, 3; dcpm = bis(dicyclohexylphosphino)methane), and [Ag2(μ-dcpm)(μ-O2CCF3)2] (4), is described. X-ray structural analyses of 1−4 reveal Ag−Ag separations of 3.095(1), 2.948 (av), 2.923 (av), and 2.8892(9) A, respectively. Due to the optical transparency of the phosphine ligands, the UV−vis absorption band at 261 nm in CH3CN for 2 and 3 is assigned to a 4dσ* → 5pσ transition originating from Ag(I)−Ag(I) interactions. The argentophilic nature of this band is verified by the resonance Raman spectrum of 2 with 273.9 nm excitation, where virtually all of the Raman intensity appears in the Ag−Ag stretch fundamental (80 cm-1) and overtone bands. Complexes 2 and 3 exhibit photoluminescence in the solid state at room temperature.

Spectroscopic evidence for argentophilicity in structurally characterized luminescent binuclear silver(I) complexes

Coordination and organometallic chemistry of metal-NO complexes.

Electrochemistry of Dinuclear, Thiolato-Bridged Transition-Metal Compounds. Part 1. Electrochemical Behaviour of ((η5-C5H5)(CO)3M(μ-SR)W(CO)5) (R: Me, M: Mo or W; R: Ph, M: W) Complexes in Non-aqueous Media.

Crystal structure of fac-tris(isopropoxo)isothiocyanato-(1,3-diphenylpropane-1,3-dionato)niobium(v)

Organic Chemistry of Dinuclear Metal Centers. Part 12. Synthesis, X‐Ray Crystal Structure, and Reactivity of the Di‐μ‐alkylidene Complex (Ru2(CO)2(μ‐CHMe)(μ‐CMe2)(η‐C5H5)2): Alkylidene Linking.

Electrochemistry of Dinuclear, Thiolato-Bridged Transition-Metal Compounds. Part 2. Reductive Electrochemistry of Metal-Metal Bonded Complexes Cyclic ((η5-C5H5)(CO)2Mo(μ-SMe)W(CO)4L) (L: CO or P(OMe)3).

The ligand 1,2-dithiole-3-thione and some derivatives substituted in the 4- and/or 5-positions yield complexes of the type FeX2L2(X = Cl, Br, or I), Iron(III) chloride is reduced, to give FeCl2L2, and copper(II) salts yield copper(I) complexes of the types CuXL2(X = Cl, Br, or NO3) or CuXL3(X = Cl, Br, or ClO4). Physical studies, particularly electronic and Mossbauer spectra, show that the iron(II) compounds have pseudotetrahedral structures.

Jacques E. Guerchais

Papers

Electrochemistry of Dinuclear, Thiolato-Bridged Transition-Metal Compounds. Part 1. Electrochemical Behaviour of ((η5-C5H5)(CO)3M(μ-SR)W(CO)5) (R: Me, M: Mo or W; R: Ph, M: W) Complexes in Non-aqueous Media.

Crystal structure of fac-tris(isopropoxo)isothiocyanato-(1,3-diphenylpropane-1,3-dionato)niobium(v)

Organic Chemistry of Dinuclear Metal Centers. Part 12. Synthesis, X‐Ray Crystal Structure, and Reactivity of the Di‐μ‐alkylidene Complex (Ru2(CO)2(μ‐CHMe)(μ‐CMe2)(η‐C5H5)2): Alkylidene Linking.

Electrochemistry of Dinuclear, Thiolato-Bridged Transition-Metal Compounds. Part 2. Reductive Electrochemistry of Metal-Metal Bonded Complexes Cyclic ((η5-C5H5)(CO)2Mo(μ-SMe)W(CO)4L) (L: CO or P(OMe)3).

Iron(ii) and copper(i) complexes with some substituted 1,2-dithiole-3-thiones