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- W2073749114 abstract "Stable (at ca. 20 °C), green, crystalline, paramagnetic carbeneiron(I) salts (a)[Fe(CO)2(LMe)(L′)(L″)]+[BF4]–[LMe=–[graphic omitted]Me](2; L′= LMe, PPh3 or PEt3, and L″= CO), (3; L′= PPh3, L″= LMe), and [4; L′= L″= PPh3, PEt3, or P(OPh)3], and (b)[Fe2(CO)6-(LMe)2(µ-Ph2PCH2CH2PPh2)]2+[BF4]–2(6) are obtained by AgBF4 oxidation of an appropriate Fe0 precursor (1) or (5), or from (2) by CO–PPh3 exchange or disproportionation; i.r. [ν(CO)] and e.s.r. (g) and a(P)] measurements on (2)–(4) and (6), and cyclic voltammetric data (E½) on a neutral Fe0 complex indicate that while the odd electron is substantially metal-centred, the carbene ligand LMe contributes to stability by its strong Fe–C bond and delocalisation of positive charge." @default.
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- W2073749114 date "1977-01-01" @default.
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- W2073749114 title "Stable paramagnetic carbenemetal complexes; syntheses and properties of low spin d 7(1,3-dimethylimidazolidin-2-ylidene)iron(I) tetrafluoroborates" @default.
- W2073749114 doi "https://doi.org/10.1039/c39770000411" @default.
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