E. Fernandez-megia et Sv. Ley, Tri-n-butyl[2-(trimethylsilyl)-ethoxymethoxymethyl]stannane: A convenient hydroxymethyl anion equivalent, SYNLETT, (4), 2000, pp. 455-458
Tri-n-butyl[2-(trimethylsilyl)-ethoxymethyl]stannane 3 was used as a protec
ted precursor for a hydroxymethyl anion which was added to various carbonyl
and carboxyl electrophiles.