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'Phosphinidene Fragmentation' in keywords Facet   section ZfN Section B  [X]
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1Author    DavidJ. Brauer, F. Rank, D. Örrenbach, Jörg Fischer, O. Thm, Ar StelzerRequires cookie*
 Title    Synthese von Phosphaalkenclustern durch reduktive Phosphinidenfragmentierung zweizähniger Halogenphosphane R X P -C H 2-P X R mit Fe2(CO) 9 Synthesis of Phosphaalkene Clusters by Reductive Phosphinidene Fragm entation of Bidentate Halogenphosphines R X P -C H 2-P X R with Fe2(CO)9 F rank Bitterer  
 Abstract    Reaction o f halogen functional m ethylenebisphosphines 1 X R P -C H 2-P R X (X = CI, Br) with excess Fe2(CO)9 affords /^-phosphinidene clusters (5) containing phosphaalkene ligands R -P = C H 2. The fragmentation o f the P -C -P skeletons in 1 proceeds stepwise, phosphido complexes 2 and novel Fe3 clusters 3 with R P -C H 2-P R bridging units being formed as inter­ mediates o f the oxidative addition reductive elim ination process. The X-ray structural analysis for 5 b (R = N E t2) reveals an Fe3(C O)9PR butterfly core to which the phosphaalkene ligand R -P = C H 2 (P = C bond length 1.766(4) Ä) is coordinated in a //3,^-m anner. In case o f meth­ ylenebisphosphines 1 with bulky substituents (R = 2,4,6-/Pr3C6H 2) the phosphinidene frag­ mentation o f the P -C -P skeleton is accompanied by the form ation o f 2,3-dihydrobenzo[b]-phosphole ligands. 
  Reference    Z. Naturforsch. 47b, 1529 (1992); eingegangen am 7. Januar 1992 
  Published    1992 
  Keywords    Phosphinidene Fragmentation, Bifunctional Chlorophosphines, D ehalogenation, Phosphaalkenes, Clusters 
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 TEI-XML for    default:Reihe_B/47/ZNB-1992-47b-1529.pdf 
 Identifier    ZNB-1992-47b-1529 
 Volume    47 
2Author    DavidJ. Brauer, SibbeleH. Ietkam, H. Erbert Sommer, O. Thm, Ar StelzerRequires cookie*
 Title    Lineare Oligophosphaalkane, XII [1] PH-funktionelle Methylenbisphosphane — eine Quelle für Phosphinidene und Phosphoratome in Clustern und Fe4P-Spiroverbindungen Linear O ligophosphaalkanes, XII [1] PH-Functional M ethylenebisphosphanes — a Source of Phosphinidenes and Phosphorus Atom s in Clusters and Fe4P Spiro Compounds  
  Reference    Z. Naturforsch. 40b, 1677—1690 (1985); eingegangen am 29. Mai 1985 
  Published    1985 
  Keywords    PH-Functional M ethylenebisphosphanes, Phosphinidene Fragmentation, Linear O ligophosphaalkanes Benzyl D erivatives, a-M etallation 
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 TEI-XML for    default:Reihe_B/40/ZNB-1985-40b-1677.pdf 
 Identifier    ZNB-1985-40b-1677 
 Volume    40 
3Author    FrankB. Itterer, S. Tefan, K. Ucken, KlausP. Langhans, O. Th, Ar Stelzer, W. S. SheldrickRequires cookie*
 Title    Fragmentierung und Zyklisierung disekundärer Methylenbisphosphane mit sperrigen aromatischen Resten in Fe3-und Ru3-Clustern  
 Abstract    L inear O ligophosphaalkanes, X X V II [1] F rag m en tatio n and Cyclization of D isecondary M ethylenebisphosphanes with Bulky A ro m atic Substituents in F e3 and R u 3 C lusters 
  Reference    Z. Naturforsch. 49b, 1223—1238 (1994); eingegangen am 8. März 1994 
  Published    1994 
  Keywords    D isecondary M ethylenebisphosphanes, Bulky Aromatic Substituents, Phosphinidene Fragmentation, Cyclization, 2, 3-Dihydrobenzo[b]phospholes 
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 TEI-XML for    default:Reihe_B/49/ZNB-1994-49b-1223.pdf 
 Identifier    ZNB-1994-49b-1223 
 Volume    49