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'Alkynes' in keywords Facet   Publication Year 1985  [X]
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1Author    KlausR. Pörschke, Richard Mynott, Klaus Angermund, ++, Carl KrügerRequires cookie*
 Title    Neue Bis(phosphan)-nickel(0)-alkin-Komplexe New Bis(phosphane)-nickel(0)-alkyne Complexes  
 Abstract    (Me 3 P)2Ni(C 2 H4) (5) and (dmpe) 2 Ni2(C 2 H4)3 (6) react with various alkynes including ethyne (acetylene) and 1-alkynes to form the crystalline compounds (Me 3 P) 2 Ni(C 2 RR'), (dmpe)Ni(C 2 RR'), and (dmpe)2Ni 2 (C 2 R2) 2 (R.R' = H, Me, Ph). Structural assignments were made on the basis of : H, I3 C, and 31 P NMR data. The crystal and molecular structure of (dmpe)Ni(C 2 Ph 2) (17) has been determined by X-ray crystallography. 
  Reference    Z. Naturforsch. 40b, 199—209 (1985); eingegangen am 15. Oktober 1984 
  Published    1985 
  Keywords    Alkynes, Nickel(O), Phosphanes, NMR Spectra, X-Ray 
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 TEI-XML for    default:Reihe_B/40/ZNB-1985-40b-0199.pdf 
 Identifier    ZNB-1985-40b-0199 
 Volume    40 
2Author    Roberto Millini, Horst Kisch, Carl KrügerRequires cookie*
 Title    Iron Carbonyl Assisted Synthesis of l,2-Diazepin-3-ones from Cyclic Diazenes and Alkynes [1]  
 Abstract    , 2a, c are prepared by an iron carbonyl mediated reaction sequence from alkynes and cyclic 1,2-diazenes. The latter are first converted into hexacarbonyl diiron complexes which react with two molecules of an alkyne to afford tricyclic carbonyl iron compounds I —III. Oxidative degradation with bromine leads to these novel heterocycles whose structure is confirmed by an X-ray analysis of lb. 
  Reference    Z. Naturforsch. 40b, 187—192 (1985); received October 15 1984 
  Published    1985 
  Keywords    Diazepinones, Diazenes, Alkynes, Carbonyl-Iron Assistance Bicyclic l, 2-diazepin-3-ones la—c 
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 TEI-XML for    default:Reihe_B/40/ZNB-1985-40b-0187.pdf 
 Identifier    ZNB-1985-40b-0187 
 Volume    40