A neutral diphosphene radical: synthesis, electronic structure and white phosphorus activation

Jan Haberstroh; Clemens Taube; Jannis Fidelius; Stephen Schulz; Noel Israel; Evgenia Dmitrieva; Rosa M. Gomila; Antonio Frontera; Robert Wolf; Kai Schwedtmann; Jan J. Weigand

doi:10.1039/D4CC02200A

A neutral diphosphene radical: synthesis, electronic structure and white phosphorus activation†

Jan Haberstroh,

^a Clemens Taube,^a Jannis Fidelius,

^a Stephen Schulz,

^a Noel Israel,

^b Evgenia Dmitrieva,

^b Rosa M. Gomila,

^c Antonio Frontera,

^c Robert Wolf,

^d Kai Schwedtmann

^a and Jan J. Weigand

*^ae

Author affiliations

* Corresponding authors

^a Chair of Inorganic Molecular Chemistry, Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01069 Dresden, Germany
E-mail: jan.weigand@tu-dresden.de

^b Leibnitz Institute for Solid State and Materials Research Dresden, 01069 Dresden, Germany

^c Department of Chemistry, Universitat de les Illes Balears, 07122 Palma de Mallorca, Spain

^d Institute of Inorganic Chemistry, Universität Regensburg, 93040 Regensburg, Germany

^e Department of Chemistry and Polymer Science, Stellenbosch University, Stellenbosch, South Africa

Abstract

(^ClIm^Dipp)P–P(Dipp)˙ (1˙), a rare example of a neutral, mixed substituted diphosphene radical, has been prepared by reduction of (^ClIm^Dipp)PP(Dipp)[OTf] (2[OTf]) and (^ClIm^Dipp)PP(Cl)(Dipp) (3) with cobaltocene (CoCp₂) (^ClIm^Dipp = 4,5-dichloro-1,3-bis(1,3-diisopropylphenyl)-imidazol-2-yl, Dipp = 2,6-diisopropylphenyl). Radical compound 1˙ readily activates white phosphorus (P₄), resulting in the formation of an intriguing octaphosphane butterfly compound P₈(^ClIm^Dipp)₂(Dipp)₂ (4).

Chemical Communications

A neutral diphosphene radical: synthesis, electronic structure and white phosphorus activation†

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A neutral diphosphene radical: synthesis, electronic structure and white phosphorus activation

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