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Issue 22, 2019
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Bimolecular fusion of [Pd3(μ-CN-C6H3Me2-2,6)3(CN-C6H3Me2-2,6)3] induced by Ph2GeH2: formation of the redox-active Pd6Ge2 complex

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Abstract

The reaction of Ph2GeH2 with a planar tripalladium(0) complex, [Pd3(μ-CN-C6H3Me2-2,6)3(CN-C6H3Me2-2,6)3], selectively afforded a hexagonal bipyramidal Pd6Ge2 complex, [Pd6(μ-GePh2)2(CN-C6H3Me2-2,6)8(μ-CN-C6H3Me2-2,6)2]. The molecule is stabilized by bridging coordination of isonitrile and GePh2 ligands, although all the Pd–Pd bonds are weak, as revealed by DFT calculations. The resulting complex undergoes two successive redox processes at E1/2 = −1.35 and −1.03 V (vs. Fc+/Fc), which correspond to the stepwise oxidation of the Pd(0)6 complex.

Graphical abstract: Bimolecular fusion of [Pd3(μ-CN-C6H3Me2-2,6)3(CN-C6H3Me2-2,6)3] induced by Ph2GeH2: formation of the redox-active Pd6Ge2 complex

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Article information


Submitted
23 Feb 2019
Accepted
25 Apr 2019
First published
25 Apr 2019

Dalton Trans., 2019,48, 7541-7545
Article type
Communication

Bimolecular fusion of [Pd3(μ-CN-C6H3Me2-2,6)3(CN-C6H3Me2-2,6)3] induced by Ph2GeH2: formation of the redox-active Pd6Ge2 complex

T. Koizumi, K. Tanaka, Y. Tsuchido, M. Tanabe, T. Ide and K. Osakada, Dalton Trans., 2019, 48, 7541
DOI: 10.1039/C9DT00814D

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