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1977 (1)
1976 (1)
1Author    Marianne Baudler, Christian GrunerRequires cookie*
 Title    Contributions to the Chemistry of Phosphorus, 69 1 A Simple Synthesis of Tri-i-butyl-cyclotriphosphane  
 Abstract    A high yield synthesis of tri-i-butyl-cyclotriphosphane from magnesium and tert-butyldichlorophosphane is described. 
  Reference    (Z. Naturforsch. 31b, 1311—1312 [1976]; eingegangen am 31. Juli 1976) 
  Published    1976 
  Keywords    Tri -buty 1 -cyclotriphosphane, Cyclotriphosphane, Triphosphiranes, Phosphorus, Magnesium 
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 TEI-XML for    default:Reihe_B/31/ZNB-1976-31b-1311.pdf 
 Identifier    ZNB-1976-31b-1311 
 Volume    31 
2Author    Marianne Baudler, Christian Pinner, Christian Grüner, Jochen Hellmann, Michael Schwamborn, Bernhard KlothRequires cookie*
 Title    Beiträge zur Chemie des Phosphors, 761 Tricyclohexyl-cyclotriphosphan, Pentacyclohexyl-cyclopentaphosphan und  
 Abstract    Tricyclohexyl-cyclotriphosphane, (c-C6HnP)3 (1), is another relatively stable compound with a three membered phosphorus ring. It is produced in the reactions of (a) K2(c-C6HuP)4 with CH2CI2, (b) K2(c-C6HhP)4 with CS2, (c) C-C6H11PCI2 with sodium in dioxane. The following by-products are formed: (c-C6HhP)4CH2 (3), (c-CßHnP^ (2) and (c-C6H n P )4 in the reaction (a); mainly (c-CeHuP)4 in the reaction (b); (c-CeHnPjs (2) and (c-CeHnP)4 in the reaction (c). The P3 ring compound 1 and the P5 ring compound 2 can be isolated in a pure state. The oligomers (c-CeHnP)n, n —3, 4, 5, clearly are distinguished by the melting points, the molecular masses and by the 31P NMR and vibrational spectra. The 31P NMR parameters of 3 are reported. The cyclohexyl groups in 1, 2 and 3 are situated on both sides of the corresponding ring systems, giving rise to a maximum number of “trans” orientated neighboring substituents. 
  Reference    (Z. Naturforsch. 32b, 1244—1251 [1977]; eingegangen am 18. Juli 1977) 
  Published    1977 
  Keywords    Cyclotriphosphanes, Triphosphiranes, Tricyclohexyl-cyclotriphosphane, Cyclopentaphosphanes, Cyclocarbaphosphanes 
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 TEI-XML for    default:Reihe_B/32/ZNB-1977-32b-1244.pdf 
 Identifier    ZNB-1977-32b-1244 
 Volume    32