Total synthesis of monoterpenoid indole alkaloid (–)-arbophyllidine†
Hongbin
Zhai, 
*a
*a
Abstract
The first asymmetric total synthesis of indole alkaloid arbophyllidine has been accomplished. The synthesis features an intramolecular reductive Heck reaction to install the key quaternary carbon center and a Fischer indolization to efficiently construct the tetracyclic skeleton. Moreover, a novel NaClO2-mediated oxidative lactonization was achieved via selective oxidation at C-16 of the tetracyclic aldehyde. Density functional theory calculations provided an incisive understanding of the oxidative lactonization.
- This article is part of the themed collection: 2022 Organic Chemistry Frontiers HOT articles
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