Polymeric dimethylytterbium and the terminal methyl complex (TptBu,Me)Yb(CH3)(thf)†
Markus M.
Katzenmayer, 
a
Benjamin M.
Wolf,
a
Alexandros
Mortis,
a
Cäcilia
Maichle-Mössmer
a
and
Reiner
Anwander
*a
a
Benjamin M.
Wolf,
a
Alexandros
Mortis,
a
Cäcilia
Maichle-Mössmer
a
and
Reiner
Anwander
*a
Abstract
Divalent ytterbium bis(trimethylsilyl)amides [Yb{N(SiMe3)2}2]2 and Yb[N(SiMe3)2]2(thf)2 react with purified methyllithium to amorphous dimethylytterbium [YbMe2]n. The characterisation was performed by 171Yb and 13C CP/MAS NMR spectroscopy as well as by conducting protonolysis reactions with HC5Me5 and HTptBu,Me, affording known (C5Me5)2Yb(OEt2) and new (TptBu,Me)Yb(CH3)(thf).
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