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Metalloradical Reactivity of RuI and Ru0 Stabilized by an Indole-Based Tripodal Tetraphosphine Ligand.


ABSTRACT: The tripodal, tetradentate tris(1-(diphenylphosphanyl)-3-methyl-1H-indol-2-yl)phosphane PP3 -ligand 1 stabilizes Ru in the RuII , RuI , and Ru0 oxidation states. The octahedral [(PP3 )RuII (Cl)2 ]?(2), distorted trigonal bipyramidal [(PP3 )RuI (Cl)]?(3), and trigonal bipyramidal [(PP3 )Ru0 (N2 )]?(4) complexes were isolated and characterized by single-crystal X-ray diffraction, NMR, EPR, IR, and ESI-MS. Both open-shell metalloradical RuI complex 3 and the closed-shell Ru0 complex 4 undergo facile (net) abstraction of a Cl atom from dichloromethane, resulting in formation of the corresponding RuII and RuI complexes 2 and 3, respectively.

SUBMITTER: van de Watering FF 

PROVIDER: S-EPMC5639366 | biostudies-literature | 2017 Sep

REPOSITORIES: biostudies-literature

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Metalloradical Reactivity of Ru<sup>I</sup> and Ru<sup>0</sup> Stabilized by an Indole-Based Tripodal Tetraphosphine Ligand.

van de Watering Fenna F FF   van der Vlugt Jarl Ivar JI   Dzik Wojciech I WI   de Bruin Bas B   Reek Joost N H JNH  

Chemistry (Weinheim an der Bergstrasse, Germany) 20170830 52


The tripodal, tetradentate tris(1-(diphenylphosphanyl)-3-methyl-1H-indol-2-yl)phosphane PP<sub>3</sub> -ligand 1 stabilizes Ru in the Ru<sup>II</sup> , Ru<sup>I</sup> , and Ru<sup>0</sup> oxidation states. The octahedral [(PP<sub>3</sub> )Ru<sup>II</sup> (Cl)<sub>2</sub> ] (2), distorted trigonal bipyramidal [(PP<sub>3</sub> )Ru<sup>I</sup> (Cl)] (3), and trigonal bipyramidal [(PP<sub>3</sub> )Ru<sup>0</sup> (N<sub>2</sub> )] (4) complexes were isolated and characterized by single-crystal X-ray  ...[more]

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