T. Kataoka, T. Iwama, Atsuko Takagi
Mar 1, 1996
Citations
0
Influential Citations
6
Citations
Journal
Tetrahedron Letters
Abstract
Abstract Monosilylation of 1,2-thiazetidine 1,1-dioxides (β-sultams) furnished (3R ∗ , 4S ∗ )-4- silylated β-sultams stereoselectively. Treatment of 4-silylated β-sultams with a Lewis acid caused the selective CN bond cleavage because of the β-silyl stabilization against the resultant carbenium ion followed by desilylation to provide (E)-vinylsulfonamides stereospecifically.