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'Zirconium Amide' in keywords Facet   Publication Year 1999  [X]
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1Author    Santiago Garcia-Yustea, KonradW. Hellmanna, LutzH. Gadeb, IanJ. Scowenc, Mary McpartlincRequires cookie*
 Title    Bis[l,3-bis(diphenylmethylsilylamido)propane]zirconium: A Spirocyclic Complex Containing a Sterically Demanding Chelating Amido Ligand  
 Abstract    Lithiation of the diamine CH2(CH2NHSiMePh2)2 using »-butyl lithium and subsequent reaction with zirconium tetrachloride yielded the bis(chelate)-amidozirconium complex [Zr{CH2(CH2NSiMePli2)2 }2]-The spirocyclic molecule has a distorted tetrahedral coordi­ nation at the zirconium centre with overall C2 symmetry broken only by the relative orientation of four phenyl rings. The bulky diphenylmethylsilyl substituents at the amido-N functions as well as the ligand backbone sterically protect the metal centre and render it inert towards conproportionation with zirconium chloride. 
  Reference    Z. Naturforsch. 54b, 1260—1264 (1999); received July 2 1999 
  Published    1999 
  Keywords    Silylamides, Zirconium Amide, Chelate Ligands, Crystal Structure 
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 TEI-XML for    default:Reihe_B/54/ZNB-1999-54b-1260.pdf 
 Identifier    ZNB-1999-54b-1260 
 Volume    54