Efficient Entry to the Hasubanan Alkaloids: First Enantioselective Total Syntheses of (−)-Hasubanonine, (−)-Runanine, (−)-Delavayine, and (+)-Periglaucine B
作者:Seth B. Herzon、Nicholas A. Calandra、Sandra M. King
DOI:10.1002/anie.201102226
日期:2011.9.12
Maximized divergence: The hasubanan alkaloids given in the scheme have been synthesized in eight or nine steps from the aryl azide 1. The utility of 5‐trimethylsilylcyclopentadiene as an easily removed, stabilizing stereocontrol element has been demonstrated.