Di‐μ‐Chloro‐Dichlorobis(Ethylene)‐Diplatinum(II), Di‐μ‐Chloro‐Dichloro‐Bis(Styrene)Diplatinum(II), and Di‐μ‐ Chloro ‐Dichlorobis (1 ‐Dodecene)‐Diplatinum(II)

Busse, Paul J.; Greene, Benjamin; Orchin, Milton; Zahray, Robert; Doyle, Joseph

doi:10.1002/9780470132517.ch40

Cited by 7 publications

(1 citation statement)

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“…Treatment of Zeise’s salt, K[PtCl 3 (C 2 H 4 )], with ditopic N-heterocyclic ligands affords bridged bimetallic complexes via chloride loss . The trans effect of ethylene enforces trans geometries around platinum, which persist when the complexes associate with RuC .…”

Section: Resultsmentioning

confidence: 99%

Weakening of Carbide–Platinum Bonds as a Probe for Ligand Donor Strengths

Reinholdt

Bendix

2017

Inorg. Chem.

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We report the observation of the weakening of the RuC-Pt single bond in (CyP)ClRu≡C-PtCl-L (Ru≡C-Pt-L) complexes, leading to the incipient formation of the terminal ruthenium carbide complex, (CyP)ClRu≡C (RuC). In the solid state, elongation of RuC-Pt bonds illustrates the degree of weakening, and in solution, decreasing platinum-carbide coupling constants and increasing carbide chemical shifts reveal weaker interaction through the carbide bridge, as the electron donating ability of L becomes progressively stronger. For the bridging carbide ligands, the chemical shifts and coupling constants to platinum are linearly dependent, and NMR data for parent RuC conform to this relationship, providing a spectroscopic means of determining the strength of the RuC-Pt linkages relative to dissociated RuC. The pliancy of the Ru≡C-Pt-L fragment with regard to the identity of L establishes the carbide-bridged complexes as remarkably wide-ranging and sensitive probes for ligand donor abilities.

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Section: Resultsmentioning

confidence: 99%