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2009•Zeitschrift für anorganische und allgemeine ChemieRequires access

Bis(phosphinimino)methanides as Ligands in Divalent Ytterbium and Strontium Chemistry–Synthesis and Structure

M. Wiecko, Sebastian Marks, Tarun K. Panda, Peter W. Roesky

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Abstract

Abstract Two new bis(phosphinimino)methanide complexes of divalent ytterbium, [{(Me3SiNPPh2)2CH}2Yb], and strontium, [{(Me3SiNPPh2)2CH}2Sr], were synthesized from the corresponding metal diiodides and of K{CH(PPh2NSiMe3)2}. Alternatively, the ytterbium compound could also be obtained starting from [{(Me3SiNPPh2)2CH}YbI(THF)2]. A comparison of the properties with the analogues compounds [{(Me3SiNPPh2)2CH}2M] (M = Ca, Ba, Sm, Eu) is given.

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Abstract Two new bis(phosphinimino)methanide complexes of divalent ytterbium, [{(Me3SiNPPh2)2CH}2Yb], and strontium, [{(Me3SiNPPh2)2CH}2Sr], were synthesized from the corresponding metal diiodides and of K{CH(PPh2NSiMe3)2}. Alternatively, the ytterbium compound could also be obtained starting from [{(Me3SiNPPh2)2CH}YbI(THF)2]. A comparison of the properties with the analogues compounds [{(Me3SiNPPh2)2CH}2M] (M = Ca, Ba, Sm, Eu) is given.

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Available abstract

Abstract Two new bis(phosphinimino)methanide complexes of divalent ytterbium, [{(Me3SiNPPh2)2CH}2Yb], and strontium, [{(Me3SiNPPh2)2CH}2Sr], were synthesized from the corresponding metal diiodides and of K{CH(PPh2NSiMe3)2}. Alternatively, the ytterbium compound could also be obtained starting from [{(Me3SiNPPh2)2CH}YbI(THF)2]. A comparison of the properties with the analogues compounds [{(Me3SiNPPh2)2CH}2M] (M = Ca, Ba, Sm, Eu) is given.

Key concepts: Ytterbium, Strontium, Divalent, Divalent metal, Chemistry, Metal, Inorganic chemistry, Medicinal chemistry

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