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1995 (1)
1Author    Wolfgang Pohl, Ingo-Peter Lorenz, Heinrich Nöth, Martin SchmidtRequires cookie*
 Title    Offene und geschlossene Triferriophosphonium-Salze und Triferriophosphane O pen and Closed Triferriophosphonium Salts and Triferriophosphines  
 Abstract    The reaction of P(SiM e3)3 with an excess of C pFe(CO)2X (X = Cl, Br) through the action o f water gives the triferriophosphonium salt [{CpFe(CO)2}3PH]2FeX4 together with ferrocene as by-product. The cation of the salt can be deprotonated by D B U to afford the unstable triferriophosphine {CpFe(CO)2}3P. Its subsequent realkylation with RX (R = Me, CH2Ph; X = I, Br) leads to alkyltriferriophosphonium salts [{CpFe(CO)2}3PR]X. Photolysis of [{CpFe(CO)2}3PH]2FeX 4 induces the elimination of one CO group, and the CO-bridged and partly closed complex [{//-CO(CpFeCO)2}{CpFe(CO)2}PH]2FeX 4 is formed, the cation of which can also be deprotonated to give the corresponding m onobridged phosphine (w-CO(CpFeCO)2}{CpFe(CO)2}P. Both PH-phosphonium salts undergo a hydrogen-chlorine exchange reaction to give the P -C l analogues [{CpFe(CO)2}3PCl]2FeX4 and [{//-CO (CpFeCO)2}{CpFe(CO)2}PCl]2FeX 4. The IR and NM R spectra of all species as well as the X-ray structure analyses of the open and closed P -H functional com plexes are reported and discussed. 
  Reference    Z. Naturforsch. 50b, 1485—1493 (1995); eingegangen am 30. März 1995 
  Published    1995 
  Keywords    Iron, Tristrimethylsilylphosphine, Hydrogen Chlorine Exchange, X-Ray, Decarbonylation 
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 TEI-XML for    default:Reihe_B/50/ZNB-1995-50b-1485.pdf 
 Identifier    ZNB-1995-50b-1485 
 Volume    50