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'Phosphinophenolate' in keywords Facet   section ZfN Section B  [X]
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1999 (1)
1Author    Joachim Heinickea, Attila Dala, Hans-Friedrich Kleinb, Olaf Hetcheb, Ulrich Flörkec, Hans-Jürgen HauptcRequires cookie*
 Title    Formation of r71-P-(2-Phosphinophenol)Ni(0)(PMe3)3 and Oxidation to cjs/fraws-Bis(2-phosphinophenolato)nickel(II) Complexes  
 Abstract    o-Phosphinophenols 1 (P ^ O H) react with equimolar amounts of Ni(PMe3)4 at low tempera­ tures to give yellow Ni(0) complexes such as [(HO~P)Ni(PMe3)3] 2a with only P coordination of the P ^ O H ligand. Oxidation of solutions of 1 and Ni(PMe3)4 by dioxygen leads to brown bis(o-phosphinophenolato-P^O)nickel chelate complexes 3a-d. Structure elucidation by NM R is consistent with a m-square planar geometry for 3a-c and a rrans-square planar solution struc­ ture of the terr-butylphenylphosphino derivative 3d. The geometric isomers were distinguished by different ranges of phosphorus coordination shifts and 3lP-l3C-2 and 3IP-13C-1 coupling 
  Reference    Z. Naturforsch. 54b, 1235—1243 (1999); received May 19 1999 
  Published    1999 
  Keywords    Phosphinophenolate, Nickel, Complexes, Structure Elucidation, Solid State Structures 
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 TEI-XML for    default:Reihe_B/54/ZNB-1999-54b-1235.pdf 
 Identifier    ZNB-1999-54b-1235 
 Volume    54