作者:Brenton T. Smith、John A. Wendt、Jeffrey Aubé
DOI:10.1021/ol026230v
日期:2002.7.1
[GRAPHICS]The total synthesis of (+)-sparteine was accomplished from 2,5-norbornadione in 15 steps and 15.7% overall yield. The key steps were two ring-expansion reactions, one involving an intramolecular Schmidt reaction and one using a novel variant of the photo-Beckmann rearrangement.