Concepedia

New paramagnetic ruthenium complexes via one-electron reduction of metallacumulenes

Stéphane Rigaut, Olivier Maury, Daniel Touchard, Pierre H. Dixneuf

Chemical Communications · 2001 · 50 citations · 12 references

DOI

Concepts

Abstract

One-electron reductions of [Cl(dppe)2RuCCCR2]PF6 (R = Ph, Me) and [Cl(dppe)2RuCCCCCPh 2]PF6 with Co(C5H5)2 provide radical species with the unpaired electron localized on the trisubstituted carbon atom of the cumulene moiety as shown by hydrogen atom capture and EPR spectroscopy.

References

12

Activation of 2-Propyn-1-ol Derivatives by Indenylruthenium(II) and -osmium(II) Complexes:  X-ray Crystal Structures of the Allenylidene Complexes [M(CCCPh<sub>2</sub>)(η<sup>5</sup>-C<sub>9</sub>H<sub>7</sub>)(PPh<sub>3</sub>)<sub>2</sub>][PF<sub>6</sub>]·CH<sub>2</sub>Cl<sub>2</sub> (M = Ru, Os) and EHMO Calculations

Victorio Cadierno, M. Pilar Gamasa, José Gimeno et al. · Organometallics · 1996 · 168 citations

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Convenient routes to vicinal diamines. Coupling of nitriles or N-(trimethylsilyl) imines promoted by NbCl4(THF)2

Eric J. Roskamp, Steven F. Pedersen · Journal of the American Chemical Society · 1987 · 132 citations

, , +4

Addition of Carbon Nucleophiles to the Allenylidene Ligand of [Ru(η<sup>5</sup>-C<sub>5</sub>H<sub>5</sub>)(CCCPh<sub>2</sub>)(CO)(P<sup>i</sup>Pr<sub>3</sub>)]BF<sub>4</sub>:  Synthesis of New Organic Ligands by Formal C−C Coupling between Mutually Inert Fragments

Miguel A. Esteruelas, Angel V. Gómez, Ana M. López et al. · Organometallics · 1997 · 122 citations

, , +9

First Isolable Pentatetraenylidene Metal Complex Containing the Ru:C:C:C:C:CPh2 Assembly. A Key Intermediate To Provide Functional Allenylidene Complexes

Daniel Touchard, Pierre Haquette, Alain Daridor et al. · Journal of the American Chemical Society · 1994 · 95 citations

, , +7

Synthesis of Di- and Mono- Substituted Allenylidene-Ruthenium [(Ph2PCH2PPh2)2ClRu:C:C:C(Y)R]PF6 and Acetylide Complexes by Activation of Prop-2-yn-1-ols

Daniel Touchard, Nadine Pirio, Pierre H. Dixneuf · Organometallics · 1995 · 86 citations

, , +7