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Synthesis and Structures of [(Trimethylsilyl)methyl]sodium and -potassium with Bi- and Tridentate N-Donor Ligands

✍ Scribed by William Clegg; Ben Conway; Alan R. Kennedy; Jan Klett; Robert E. Mulvey; Luca Russo

Publisher: John Wiley and Sons
Year: 2011
Tongue: English
Weight: 388 KB
Volume: 2011
Category: Article
ISSN: 1434-1948
DOI: 10.1002/ejic.201000983

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✦ Synopsis

Trimethylsilyl)methyl]sodium [NaCH 2 SiMe 3 ] (1) was prepared by a metathesis reaction of [(trimethylsilyl)methyl]lithium [LiCH 2 SiMe 3 ] with sodium tert-butoxide in n-hexane. Polydentate donors such as N,N,NЈ,NЈ-tetramethylethylenediamine (TMEDA) and N,N,NЈ,NЈЈ,NЈЈ-pentamethyldiethylenetriamine (PMDETA) form n-hexane-soluble complexes of 1 and the potassium congener [KCH 2 SiMe 3 ] (2). The crystal structures of the polymers [(TMEDA)NaCH 2 -SiMe 3 ] (1a) and [(PMDETA)KCH 2 SiMe 3 ] (2a) were determined as infinite helical chains exhibiting 3 1 or 3 2 screw-axis

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