Abstract
The complex [Pd(dpmMe)2]Cl2 [dpmMe = 1,1-bis-(diphenylphosphino) ethane] was prepared from [PdCl2-(PhCN)2], whilst [Pd2X2(μ-dpmMe)2] complexes were prepared from [PdCl2PhCN2] and [Pd(PPh3)4] (X = Cl), [PdBr(η3-C3H5)]2 (X = Br), or [Pd2Cl2(μ-dpmMe)2] (X = I). Reaction of [Pd2Cl2(μ-dpmMe)2] with MeO2C-C523-01CCO2Me(L) gave the A-frame complex [PdCl2(μ-L) (μ-dpmMe)2]. The complexes [PtCl2(dpmMe)] and [Pt(dpmMe)2]Cl2 were prepared from [PtCl2(Bu t CN)2]. Treatment of either [PtCl2(dpmMe)] with PhC523-02CLi or [Pt(dpmMe)2]Cl2 with MeONa gave [Pt(Ph2PCMe· PPh2)2]. Reaction of [PtCl2(Bu t CN)2] with [Pt(PPh3)4] and dpmMe gave a mixture of [Pt2Cl2(μ-dpmMe)2] and [PtCl2(dpmMe)]. The heterobimetallic complexes [Pt(C523-03CPh)2 (μ-dpmMe)2MX] (MX = HgCl2 or AgCl) were made from the reaction of [Pt(dpmMe)2]Cl2 with Hg(C523-04CPh)2 or Ag(C523-05CPh), respectively. Reaction of the Pt-Hg complex with Na2S gave [Pt(C523-06CPh)2 (η1-dpmMe)2]. Oxidative addition of MeI to [PtMe2· (dpmMe)] gave two PtIV isomers of the formula [PtMe3I(dpmMe)].
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