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Diphosphoniodiphosphene Formation by Transition Metal Insertion into a Triphosphenium Zwitterion
Stephanie C Kosnik1, Justin F Binder1, Maxemilian C Nascimento1
1Department of Chemistry and Biochemistry, University of Windsor, 401 Sunset Ave. Windsor, Ontario, N9B 3P4, Canada.
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.
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