Qiang Zhang - A New Method for Introducing Tin Ligands into Tetrairidium Dodecacarbonyl

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  Publication Details (including relevant citation   information):

  Organometallics, 2011, 30 (4), pp 661–664

  DOI: 10.1021/om1012083

  Publication Date (Web): January 21, 2011

  Copyright © 2011 American Chemical Society


  The reaction of Ph3SnOH with   Ir4(CO)12 in the presence of   [Bu4N]OH in methanol solvent gave two products,   [Bu4N][Ir4(CO)11(SnPh3)]   (1; 45% yield) and   [Bu4N][Ir4(CO)10(SnPh3)2(μ-H)]   (2; 5.5% yield), and the reaction of   Ir4(CO)11(PPh3) with   Ph3SnOH in the presence of [Bu4N]OH gave   the complex   Ir4(CO)10(SnPh3)(PPh3)(μ-H)   (3) in 44% yield. It is proposed that the   reactions occur by the addition of the anion   [OSnPh3] generated in situ to a CO ligand   of the Ir4(CO)12 to form a   stannyl-substituted metallocarboxylate ligand that subsequently   loses CO2 and transfers the SnPh3 group to   a metal atom.

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