The ketene thioacetal group as a cationic cyclization terminator.
作者:A.Richard Chamberlin、John Y.L. Chung
DOI:10.1016/s0040-4039(00)87412-2
日期:1982.1
A cationic cyclization to the pyrrolizidine ring system is reported in which a ketenethioacetal group serves as an efficient terminator for 5-membered ring formation. (±)-Supinidine is prepared using this methodology.