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New Reagents, XX. (Triphenylstannyl)methyllithium and Analogous Trialkylstannyl Compounds, Synthesis and Reactions
Kauffmann, Thomas,Kriegesmann, Reinhard,Altepeter, Bruno,Steinseifer, Fritz
, p. 1810 - 1817 (2007/10/02)
(Triphenylstannyl)methyllithium (1a) and analogous trialkylstannyl compounds (1b, c) were synthesized by halogen-lithium exchange reactions from 3a - c.As shown by high yields, stannyl groups are capable of stabilizing a carbanionic centre. 1a reacts with aldehydes and ketones to give β-hydroxystannanes 5 which tend to form olefins.
