Stereoselective Synthesis of Pyrrolidines from <i>N</i>-Allyl Oxazolidines via Hydrozirconation−Cyclization
作者:Jean-Luc Vasse、Antoine Joosten、Clément Denhez、Jan Szymoniak
DOI:10.1021/ol0517776
日期:2005.10.1
[GRAPHICS]A new diastereoselective synthesis of pyrrolidines from readily available chiral N-allyl oxazolidines is presented. The construction of the pyrrolidine ring is achieved via a tandem hydrozirconation-stereoselective Lewis acid mediated cyclization sequence.