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Direct synthesis of an anionic 13-vertex closo-cobaltacarborane cluster

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Abstract

Reaction of 1,2-bis(diphenylphosphino)-ortho-carborane (L) with [K(thf){(MesBIAN)Co(η4-cod)}] (1, MesBIAN = bis(mesityliminoace-naphthene)diimine, cod = 1,5-cyclooctadiene) affords an anionic 13-vertex closo-cobaltacarborane cluster (2) in one step. The mechanism of this transformation has been studied by experimental and quantum chemical techniques, which suggest that a series of outer-sphere electron transfer and isomerisation processes occurs. This work shows that low-valent metalate anions are promising reagents for the synthesis of anionic metallacarborane clusters.

Graphical abstract: Direct synthesis of an anionic 13-vertex closo-cobaltacarborane cluster

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Publication details

The article was received on 30 Jul 2019, accepted on 26 Sep 2019 and first published on 02 Oct 2019


Article type: Communication
DOI: 10.1039/C9DT03111A
Dalton Trans., 2019, Advance Article

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    Direct synthesis of an anionic 13-vertex closo-cobaltacarborane cluster

    T. M. Maier, P. Coburger, N. P. van Leest, E. Hey-Hawkins and R. Wolf, Dalton Trans., 2019, Advance Article , DOI: 10.1039/C9DT03111A

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