An expedient synthesis of epi-eburnamenine via an intramolecular 1,4-dipolar cycloaddition reaction
作者:Albert Padwa、Mark A. Semones
DOI:10.1016/0040-4039(95)02166-3
日期:1996.1
The intramolecular1,4-dipolarcycloaddition of an anhydro-4-hydroxy-2-oxo-1,3-thiazium hydroxide across a tethered indole π-bond has been used for the construction of the pentacyclic skeleton of epi-16,17-dihydroeburnamenine.