Intramolecular carbolithiation reactions for the preparation of 3-alkenylpyrrolidines
作者:Iain Coldham、Kathy N. Price、Richard E. Rathmell
DOI:10.1039/b303670g
日期:——
Tin–lithium exchange allows the formation of α-amino-organolithium species that undergo anionic cyclization onto allylic ethers to give 3-alkenylpyrrolidines. The methodology has been applied to the synthesis of an advanced intermediate related to the natural product (–)-α-kainic acid.
通过
锡锂交换可以形成α-
氨基
有机锂,这些α-
氨基
有机锂在
烯丙基醚上进行阴离子环化,从而得到
3-烯丙基吡咯烷。该方法已应用于合成与
天然产物 (-)-α
卡因酸有关的高级中间体。