First Asymmetric Total Syntheses of (−)-Subincanadines A and B, Skeletally Rearranged Pentacyclic Monoterpenoid Indole Alkaloids in <i>Aspidosperma </i><i>s</i><i>ubincanum</i>
作者:Kenta Suzuki、Hiromitsu Takayama
DOI:10.1021/ol061908i
日期:2006.9.1
[GRAPHICS]We achieved the first asymmetric total syntheses of novel Aspidosperma indole alkaloids, (-)-subincanadines A and B, which involve an intramolecular diastereoselective Pictet-Spengler cyclization and an intramolecular Nozaki-Hiyama-Kishi reaction as key steps in the total syntheses.