The preparation of α-substituted, β-hydroxy piperidines and pyrrolidines: The total synthesis of febrifugine
作者:Laurence E. Burgess、Elizabeth K.M. Gross、Joe Jurka
DOI:10.1016/0040-4039(96)00527-8
日期:1996.5
Epoxides generated from cyclic ene carbamates are effective N-acyl iminium ion precursors and allow for the preparation of β-hydroxy, α-substituted piperidines and pyrrolidines. The total synthesis of racemic Febrifugine is also described.
由环状烯氨基甲酸酯产生的环氧化物是有效的N-酰基亚胺鎓离子前体,并允许制备β-羟基,α-取代的哌啶和吡咯烷。还描述了外消旋的非布利福宁的总合成。