Transition Metal Complexes of Phosphinous Acids Featuring a Quasichelating Unit: Synthesis, Characterization, and Hetero-bimetallic Complexes

Allefeld N, Bader J, Neumann B, Stammler H-G, Ignat'ev N, Hoge B (2015)
Inorganic Chemistry 54(16): 7945-7952.

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Abstract / Bemerkung
Diorganophosphane oxides were employed as preligands for the synthesis of catalytically active transition metal complexes of the phosphinous acids (CF3)(2)POH and (C2F5)(2)POH. Their reactions with solid PtC12 and PdC12 led to the formation of mononuclear phosphinous acid complexes [Cl2M{P(Rf)(2)OH2] (M = Pd, Pt; Rf = C2F5, CF3), which can be crystallized, for example, as its pyridinium salts, 2[HPy][Cl2Pd{P(CF3)(2)O}(2)](2-). In vacuo HCl is liberated from the neutral palladium complexes affording mixtures of di- and polynudear complexes. Moreover, (C2F5)(2)POH was reacted with several fidiketonato complexes of palladium, platinum, and nickel yielding air- and moisture-stable complexes [(acac)M{[P(Rf)(2)O](2)H}], featuring a quasichelating phosphinous acid phosphinito unit {P(R-f)(2)O center dot center dot center dot H center dot center dot center dot O(Rf)(2)Pr. Treatment of [Ni(Cp)(2)] (Cp = cyclopentadienyl) and [(cod)RhC112 (cod = 1,5-cyclooctadiene) with (C2F5)(2)POH leads to the substitution of one Cp or chloro ligand by a quasichelating unit. The novel coordination compounds were characterized by NMR and IR spectroscopies, mass spectrometry, and X-ray diffraction analysis. The platinum complex [(acac)Pti[P(C2F5)(2)O](2)H-1] (acac = acetylacetonato) was used for the construction of hetero-bimetallic complexes by the treatment with [(cod)RhCl](2) and [Ni(Cp)(2)]. The trinudear bimetallic complex [{(acac)Pt[P(C2F5)20]2}2Ni] is the first structurally characterized hetero-bimetallic species containing a bis(perfluoroalkyOphosphinito bridge.
Erscheinungsjahr
2015
Zeitschriftentitel
Inorganic Chemistry
Band
54
Ausgabe
16
Seite(n)
7945-7952
ISSN
0020-1669
Page URI
https://pub.uni-bielefeld.de/record/2778499

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Allefeld N, Bader J, Neumann B, Stammler H-G, Ignat'ev N, Hoge B. Transition Metal Complexes of Phosphinous Acids Featuring a Quasichelating Unit: Synthesis, Characterization, and Hetero-bimetallic Complexes. Inorganic Chemistry. 2015;54(16):7945-7952.
Allefeld, N., Bader, J., Neumann, B., Stammler, H. - G., Ignat'ev, N., & Hoge, B. (2015). Transition Metal Complexes of Phosphinous Acids Featuring a Quasichelating Unit: Synthesis, Characterization, and Hetero-bimetallic Complexes. Inorganic Chemistry, 54(16), 7945-7952. doi:10.1021/acs.inorgchem.5b01038
Allefeld, Nadine, Bader, Julia, Neumann, Beate, Stammler, Hans-Georg, Ignat'ev, Nikolai, and Hoge, Berthold. 2015. “Transition Metal Complexes of Phosphinous Acids Featuring a Quasichelating Unit: Synthesis, Characterization, and Hetero-bimetallic Complexes”. Inorganic Chemistry 54 (16): 7945-7952.
Allefeld, N., Bader, J., Neumann, B., Stammler, H. - G., Ignat'ev, N., and Hoge, B. (2015). Transition Metal Complexes of Phosphinous Acids Featuring a Quasichelating Unit: Synthesis, Characterization, and Hetero-bimetallic Complexes. Inorganic Chemistry 54, 7945-7952.
Allefeld, N., et al., 2015. Transition Metal Complexes of Phosphinous Acids Featuring a Quasichelating Unit: Synthesis, Characterization, and Hetero-bimetallic Complexes. Inorganic Chemistry, 54(16), p 7945-7952.
N. Allefeld, et al., “Transition Metal Complexes of Phosphinous Acids Featuring a Quasichelating Unit: Synthesis, Characterization, and Hetero-bimetallic Complexes”, Inorganic Chemistry, vol. 54, 2015, pp. 7945-7952.
Allefeld, N., Bader, J., Neumann, B., Stammler, H.-G., Ignat'ev, N., Hoge, B.: Transition Metal Complexes of Phosphinous Acids Featuring a Quasichelating Unit: Synthesis, Characterization, and Hetero-bimetallic Complexes. Inorganic Chemistry. 54, 7945-7952 (2015).
Allefeld, Nadine, Bader, Julia, Neumann, Beate, Stammler, Hans-Georg, Ignat'ev, Nikolai, and Hoge, Berthold. “Transition Metal Complexes of Phosphinous Acids Featuring a Quasichelating Unit: Synthesis, Characterization, and Hetero-bimetallic Complexes”. Inorganic Chemistry 54.16 (2015): 7945-7952.

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