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

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

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 [{(Me3SiNP...

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Veröffentlicht in:Zeitschrift für anorganische und allgemeine Chemie (1950) 2009-05, Vol.635 (6-7), p.931-935
Hauptverfasser: Wiecko, Michal, Marks, Sebastian, Panda, Tarun K., Roesky, Peter W.
Format: Artikel
Sprache:eng
Schlagworte:
Lanthanides
Strontium
Ytterbium
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Zusammenfassung: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.
ISSN:0044-2313
1521-3749
DOI:10.1002/zaac.200900057