J. Pornet et al., A CONVENIENT ONE-POT SYNTHESIS OF (E)-SILYLATED CONJUGATED ENYNES FROM 1,1-BIS(TRIMETHYLSILYL)-2-PROPYNE AND CARBONYL DERIVATIVES, Synthetic communications, 26(11), 1996, pp. 2099-2111
1,1-Bis(trimethylsilyl)-2-propyne, prepared from propargyltrimethylsil
ane, was reacted, in the presence of a Lewis acid, with electrophiles
(aldehydes, acetals) to afford (E)-silylated conjugated enynes.