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. 2019 Jan 24;25(5):1208-1211.
doi: 10.1002/chem.201805711. Epub 2018 Dec 14.

Diphosphoniodiphosphene Formation by Transition Metal Insertion into a Triphosphenium Zwitterion

Stephanie C Kosnik  1 , Justin F Binder  1 , Maxemilian C Nascimento  1 , Ala'aeddeen Swidan  1 , Charles L B Macdonald  2
Affiliations

Diphosphoniodiphosphene Formation by Transition Metal Insertion into a Triphosphenium Zwitterion

Stephanie C Kosnik et al. Chemistry. .

Abstract

Treatment of two equivalents of the triphosphenium zwitterion L with sources of Ni0 and Pd0 form the mononuclear η2 -diphosphoniodiphosphene complexes 1 and 2. The reaction between L and [FeCp(CO)2 ]2 results in the binuclear μ-η1 :η1 -diphosphoniodiphosphene iron complex 3, which features an alternative bonding motif of the diphosphoniodiphosphene unit. The formation of these species has been confirmed by spectroscopic methods and single-crystal X-ray diffraction analysis, and their electronic structures have been elucidated using computational methods.

Keywords: diphosphene; insertion; oligophosphorus; phosphorus; triphosphenium.

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