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1980 (1)
1Author    Wolfgang Malisch, Klaus Grün3, Alexander Frieda, Wolfgang Reicha, Martin Schmeußer1, Udo Weis3, Christa Abd, El Baky3, Carl KrügerbRequires cookie*
 Title    Phosphenium-Komplexe, X X IX [1]  
 Abstract    [4+2]-Cycloadditionen von Phospheniumkomplexen des Typs C p (O C)2W = P R 2 (R = Alkyl, A ryl) mit 2,3-Dimethylbutadien Phosphenium Complexes, X X IX [1], [4+2]-Cycloaddition of Phosphenium Complexes of the Type Cp(OC)2W=PR2 (R = Alkyl, Aryl) with 2,3-Dimethylbutadiene The phosphenium complexes Cp(OC)2W=PR2 [R = Ph, o-Tol, Me, t-Bu, (2a -d)] react with 2,3-dimethyl-1,3-butadiene (3) via [4+21-cycloaddition to form the phosphametallacyclohexe­ nes Cp(OC)2W-PR2-CH2-CMe=CMe-CH2 (4a -d). The structure of 4a has been determined by X-ray diffraction. 
  Reference    Z. Naturforsch. 53b, 1506—1510 (1998); eingegangen am 12. Mai 1998 
  Published    1998 
  Keywords    Phosphenium Complexes, 1, 3-Dienes, [4+2]-Cycloaddition, Phosphametallacyclohexenes 
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 TEI-XML for    default:Reihe_B/53/ZNB-1998-53b-1506.pdf 
 Identifier    ZNB-1998-53b-1506 
 Volume    53 
2Author    K. Burger, S. Penninger, S. TremmelRequires cookie*
 Title    Synthese yon 2.2-Dihydro-1.4.2-diazaphosphol-4-enen [1] Synthesis of 2,2-Dihydro-l,4,2-diazaphosphol-4-enes  
 Abstract    ,4-Bis(trifluoromethyl)-l,3-diazabuta-l,3-dienes below 0 °C react with P(III) com-pounds to give 2,2-dihydro-l,4,2-diazaphosphol-4-enes. IR, X H, 19 F, 31 P NMR, and mass spectra data of the new heterocyclic compounds are discussed. 
  Reference    Z. Naturforsch. 35b, 749—753 (1980); eingegangen am 17. Januar 1980 
  Published    1980 
  Keywords    [4+l]-Cycloaddition Reactions, l, 3-Diazabuta-l, 3-dienes, Phosphorus Compounds, Pentacoordination 4 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0749.pdf 
 Identifier    ZNB-1980-35b-0749 
 Volume    35 
3Author    Richard Goddard3, Carl Krüger3, Abdul Ghassan, Karl-Heinz Hadib, Joachim Thieleb, ScholzbRequires cookie*
 Title    Homoleptische 1,4-Diazadienverbindungen elektronenarmer Übergangsmetalle. Synthese, Eigenschaften und Strukturen von (D A D )2Ti und (D A D )3Ti [1] Homoleptic 1,4-Diazadiene Compounds of Early Transition Metals. Syntheses, Properties and Structures of (D A D )2Ti and (D A D )3Ti [1]  
  Reference    Z. Naturforsch. 49b, 519—528 (1994); eingegangen am 13. O ktober 1993 
  Published    1994 
  Keywords    H eterodiene Titanium Complexes, l, 4-D iaza-l, 3-diene, Endiam ide Structure, 7i-A cceptor Ligand 
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 TEI-XML for    default:Reihe_B/49/ZNB-1994-49b-0519.pdf 
 Identifier    ZNB-1994-49b-0519 
 Volume    49 
4Author    Klaus Burger, Herbert Goth, Eduard BurgisRequires cookie*
 Title    Zum Thermolyseverhalten von 2.2-Dihydro-1.4.2-oxazaphosphol-4-enen, II [1] Eine einfache Synthese für fluorsubstituierte N-Vinylimidoylchloride Thermolysis of 2,2-Dihydro-l,4,2-oxazaphosphol-4-enes, II [1] A Simple Synthesis for Fluorine Substituted N-Vinylimidoyl Chlorides  
 Abstract    3,3-Bis(chlorodifluoromethyl)-2,2,2-trimethoxy-2,2-dihydro-l,4,2-oxazaphosphol-4-enes (2) at room temperature, 3,3-bis(chlorodifluoromethyl)-2,2,2-triphenoxy-2,2-dihydro-l,4,2-oxazaphosphol-4-enes (3) at 140-145 °C undergo cycloelimination of trimethyl, and triphenyl phosphate, respectively, with formation of N-[l-chlorodifluoromethyl-2,2-di-fluoro(vinyl)]-imidoyl chlorides (4) in high yields. 
  Reference    Z. Naturforsch. 36b, 353—358 (1981); eingegangen am 18. November 1980 
  Published    1981 
  Keywords    Phosphorus Compounds, [3 + 2] Cycloreversion Reactions, [1, 4] Chlorine Shift, 2 -Azabuta-1, 3 -dienes 
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 TEI-XML for    default:Reihe_B/36/ZNB-1981-36b-0353.pdf 
 Identifier    ZNB-1981-36b-0353 
 Volume    36