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- W2018253809 abstract "31 P N.m.r. spectra show that [PtClH(PEt3)2] reacts with PCl3 in CH2Cl2 at 180 K to give [PtCl2H2(PEt3)2], (5), and the previously unknown [PtCl(PEt3)2(P′Cl2)], (4). On warming to 240 K, complex (5) decomposes and (4) is reversibly protonated to give [PtCl(PEt3)2(P′Cl2H)]+. Above 240 K, (4) is converted into the novel [PtCl(PEt3)2(P′Cl2H2)], (8). This complex is stable in solution up to 260 K, but decomposes irreversibly at higher temperatures. Changes in the n.m.r. spectra on adding HCl or BCl3 are interpreted in terms of dissociation of (8) into [PtCl(PEt3)2(P′ClH2)]+ and [HCl2]– or [BCl4]–. Reaction of [PtBrH(PEt3)2] with PBr3 at 160 K gives [PtBr2H(PEt3)2(P′Br2)], which loses HBr at 190 K, giving [PtBr(PEt3)2(P′Br2)] and [PtBr2H2(PEt3)2]. At 240 K, [PtBr(PEt3)2(P′Br2H2)] is produced. This persists for short periods at room temperature, and is stable at 170 K; addition of HBr or BBr3 leads to the formation of [PtBr(PEt3)2(P′BrH2)]+ by loss of bromide ion. All these species were identified by n.m.r. spectroscopy." @default.
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- W2018253809 date "1986-01-01" @default.
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- W2018253809 title "Reactions of halogenohydridobis(triethylphosphine)platinum(II) with trihalogenophosphines: some unusual complexes of Pt II containing five-co-ordinated phosphorus" @default.
- W2018253809 doi "https://doi.org/10.1039/dt9860001333" @default.
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