190080-03-6Relevant academic research and scientific papers
Novel dinuclear cyclometallated complexes of palladium(II) derived from N,N-(2,5-dichloro)terephthalylidenebis(cyclohexylamine) via oxidative addition
Vila, Jose M.,Gayoso, Miguel,Pereira, Ma. Teresa,Torres, Margarita Lopez,Fernandez, Jesus J.,Fernandez, Alberto,Ortigueira, Juan M.
, p. 844 - 848 (2008/10/09)
The oxidative addition of the bidentate Schiff base 1,4-(CyN=CH)2-2,5-Cl2C6H2 to tris(dibenzylideneacetone) dipalladium(0) gave the dicyclopalladated complex [(Cl)PdN(Cy)=C(H)C6H2C(H)=N(Cy)Pd(Cl)]n (1). Treatment of 1 with LiBr gave the analogous bromo derivative [(Br)PdN(Cy)=C(H)C6H2C(H)=N(Cy)Pd(Br)]n (2). Reaction of 1 or of 2 with tertiary phosphines in 1:2 or 1:4 molar ratios gave the dinuclear cyclometallated [(L)(X)PdN(Cy)= C(H)C6H2C(H)=N(Cy)Pd(X)(L)] (3-9), and non-cyclometallated complexes [(L)2(X)PdN(Cy)=C(H)C6H2C(H)= N(Cy)Pd(X)(L)2] (10-14) (X = Cl, Br; L = PPh3, PEtPh2, PEt2Ph, PMePh2, as appropriate), respectively. Treatment of 1 or of 2 with thallium acetylacetonate gave the dinuclear cyclometallated complex [(MeCOCHCOMe)PdN(Cy)= C(H)C6H2C(H)=N(Cy)Pd(MeCOCHCOMe)] (15).
