Organic letters

First Asymmetric Total Syntheses of (-)-Subincanadines A and B, Skeletally Rearranged Pentacyclic Monoterpenoid Indole Alkaloids in Aspidosperma s ubincanum

K Suzuki, H Takayama

Index: Suzuki, Kenta; Takayama, Hiromitsu Organic Letters, 2006 , vol. 8, # 20 p. 4605 - 4608

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Citation Number: 26

Abstract

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.