A. Yanagisawa et al., HIGHLY GAMMA-SELECTIVE COUPLING OF SILOXYALLYLBARIUM REAGENT WITH CARBONYL-COMPOUNDS AND ALKYL-HALIDES, Synlett, (9), 1993, pp. 686-688
Siloxyallylbarium reagents, prepared from anhydrous BaI2 and siloxyall
yllithium, reacted with carbonyl compounds and alkyl halides highly se
lectively at the gamma-position in high yields.