Abstract
Alternate lithiation and reaction with ClSiMe 3 of 2,6-dimethylpyridine gave the lithium derivatives of pyridine substituted at the 2- and 6-positions by mono- or bis(trimethylsilyl)methyl groups. The relative ease of formation of these compounds is discussed and compared to their reactivity with transition metal halides. The reaction of NiCl 2 with the lithium derivative of bis(trimethylsilyl)methylpyridine gives the remarkably air-stable nickel(II) alkyl bis[C,N-2-pyridylbis(trimethylsilyl)methyl]nickel(II).
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