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'Ruthenium Complexes' in keywords Facet   Publication Year 2000  [X]
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1Author    WolfdieterA. Schenk, Nikolai KuhnertaRequires cookie*
 Title    Synthesis of Halfsandwich Ruthenium Complexes of Sulfinic Acid Esters [1]  
 Abstract    A series of halfsandwich ruthenium sulfinato complexes [CpRu(PR'3)2(SO:R)] (R = Me, CH 2Ph, C2H4Ph, Ph, 4 -CöH4Me; PR'3 = PM e3, 1/2 dppm) with various electronic and steric environments around the ruthenium centre, have been prepared by insertion of SO2 into a ruthenium carbon bond, by a direct ligand exchange reaction, or by oxidation of thiolato complexes with 3-chloroperoxybenzoic acid. The chiral complexes [CpRu(C0)(PPh3)(S0 2 R)] (R = Me, CH2Ph, Ph) were obtained similarly by oxidation of the corresponding thiolates with magnesium monoperoxyphthalate. Alkylation of the sulfinato complexes with oxonium salts [Rm 3 0 ]X (R" = Me, Et; X = B F 4 , PF6) gave ruthenium complexes of sulfinic acid esters, [C pRu(L)(L')(S(0)(0R ")R)]X in high yields and, for the chiral complexes, up to 82% de. The esters may be detached from the metal by ligand exchange with acetonitrile. Stronger nucleophiles such as I~ or SMe~ dealkylate the coordinated sulfinic acid esters. 
  Reference    Z. Naturforsch. 55b, 527—535 (2000); received March 20 2000 
  Published    2000 
  Keywords    Ruthenium Complexes, Sulfur Ligands, Diastereoselective Alkylations 
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 TEI-XML for    default:Reihe_B/55/ZNB-2000-55b-0527.pdf 
 Identifier    ZNB-2000-55b-0527 
 Volume    55