The redox-active metallaphosphine [Fe(dppe)(η(5)-C5Me5)(C≡C-PPh2)] reacts with [Pd(1,5-cod)Cl2] to give mono- and bis-phosphine coordinated palladium centres as a function of stoichiometry, and these complexes provide a stable redox-active platform which allows reversible one-electron {Fe(II)→Fe(III)(+)} oxidations within the palladium coordination sphere.
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http://dx.doi.org/10.1039/c4dt00455h | DOI Listing |
Inorg Chem
December 2024
Chemistry Department, University of Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany.
We present the insertion behavior of the alkyl-substituted germylene Ge(Flu) in different E-X σ bonds (E = Au, Si, Ge, Sn), first with the isolation of the germylgold complex (Flu)Ge(Cl)AuPPh. Afterward, the oxidative addition of GeCl to Ge(Flu) gives the digermane (Flu)Ge(Cl)GeCl, followed by a reductive elimination of GeCl and the formation of the oxidation product (Flu)GeCl. A comparable behavior is observed, with the homologues ECl (E = Si, Sn) stopping at different steps of the reaction.
View Article and Find Full Text PDFJ Org Chem
December 2024
Department of Chemistry, University of Idaho, Moscow, Idaho 83844, United States.
J Am Chem Soc
December 2024
Department of Chemistry and Biochemistry, University of South Carolina, 631 Sumter St., Columbia, South Carolina 29208, United States.
ACS Omega
July 2024
Institut für Chemie, Carl von Ossietzky Universität Oldenburg, D-26111 Oldenburg, Federal Republic of Germany.
The chemistry of bis(π-η:σ-η-pentafulvene)titanium complexes is characterized by a broad range of E-H activation and Ti-C functionalization reactions, whereas ferrocene derivatives are easily accessible and redox-active compounds. The reaction of ferrocenealdehyde and -ketones with bis(π-η:σ-η-pentafulvene)titanium complexes result in the formation of bimetallic complexes via insertion of the C=O double bond of the aldehyde/ketone into the Ti-C bond of the pentafulvene moiety. The reaction of bis(π-η:σ-η-pentafulvene)titanium complexes with ferrocenyl alcohols leads to alcoholate complexes via deprotonation of the OH group by the pentafulvene ligand.
View Article and Find Full Text PDFDalton Trans
May 2024
Department of Inorganic Chemistry, Faculty of Science, Charles University, Hlavova 2030, 128 40 Prague, Czech Republic.
Hybrid phosphines usually combine a phosphine moiety with another heteroatom secondary donor group in their structures while compounds equipped with hydrocarbyl π-donor moieties remain uncommon. This contribution reports the synthesis and structural characterization of the first P/π-allyl-chelating complexes that were obtained using the structurally flexible and redox-active ferrocene unit as the scaffold, . [PdCl(RPfcCHCHCH-η:κ)] (1R; R = Ph and cyclohexyl (Cy); fc = ferrocene-1,1'-diyl).
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