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†
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双(膦亚氨基)甲烷化物作为二价镱和锶化学中的配体——合成和结构†

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发表时间：
2009
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通讯作者：
P. Roesky
P. Roesky
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作者：
Michal Wiecko;Sebastian Marks;T. Panda;P. Roesky

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由相应的金属二碘化物和 K{CH(PPh2NSiMe3)2} 合成了二价镱 [{(Me3SiNPPh2)2CH}2Yb] 和锶 [{(Me3SiNPPh2)2CH}2Sr] 的新型双(膦亚氨基)甲烷化物配合物。或者，镱化合物也可以从[{(Me 3 SiNPPh 2 ) 2 CH}YbI(THF) 2 ]开始获得。与类似化合物 [{(Me3SiNPPh2)2CH}2M] (M = Ca、Ba、Sm、Eu) 进行了性能比较。
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.