A novel diastereoselectivity in the aldol reaction of cyclic ketene silyl acetals with cobalt-complexed and uncomplexed propynals.
作者:Chisato MUKAI、Kimimasa SUZUKI、Miyoji HANAOKA
DOI:10.1248/cpb.38.567
日期:——
The aldol reaction of seven-membered ketene silyl acetal (9) with cobalt-complexed propynals afforded the erythro isomer in a highly stereoselective manner, while the high threo selectivity could be realized with uncomplexed simple propynals.