Synthesis of the Tricyclic Core of Alkaloid Securinol B Using a Cascade of Vilsmeier−Haack and Mannich Cyclizations
作者:Robin Larouche-Gauthier、Guillaume Bélanger
DOI:10.1021/ol801705s
日期:2008.10.16
Iminium ions generated upon amide activation were trapped sequentially with tethered nucleophiles. This cascade of cyclizations constitutes a new synthetic strategy that was applied to the construction of the tricyclic core of alkaloid securinol B.