Abstract
The complexes cis-[Pd 4(μ-X) 4μ-C(C 6F 5)NMe 4] (X Cl, Br, I) react with neutral bidentate ligands LL (LL = 2,2′-bipyridine, N,N,N′, N′-tetramethylethyl-enediamine, or 1,2-bis(diphenylphosphino)ethane (Pd/LL ratio 2/1) to give [Pd 2μ-C(C 6F 6)NMe 2X 2(LL)]. These binuclear complexes (X = Cl) react with the ligands LL to form the mononuclear complexes [PdC(C 6F 5NMeCl(LL)] containing a terminal pentafluorobenzimidoyl group. When the reaction is carded out in the presence of NaC104 the dinuclear cationic derivatives [Pd 2μ-C(C 6F 5)NMe 2(LL) 2](ClO 4) 2 are formed. Their structures are discussed on the basis of 1H and 19F NMR data.
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