A Novel and Highly Stereoselective Approach to Aza-Spirocycles. A Short Total Synthesis of 2-<i>epi</i>-(±)-Perhydrohistrionicotoxin and an Unprecedented Decarboxylation of 2-Pyrones
作者:Michael J. McLaughlin、Richard P. Hsung、Kevin P. Cole、Juliet M. Hahn、Jiashi Wang
DOI:10.1021/ol020052o
日期:2002.6.1
[reaction: see text] A novel and highly stereoselectivesynthesis of aza-spirocycles is described. An application of this methodology is illustrated as a short and concise totalsynthesis of 2-epi-(+/-)-perhydrohistrionicotoxin with high diastereomeric control at the aza-spirocenter. An unprecedented decarboxylation of the 2-pyrone ring is observed in this totalsynthesis effort.