Controlled epimerization of indolo[2,3-a]quinolizidine derivatives: An efficient total synthesis of (±)-tacamonine

Autor: David Din Belle, Arto Tolvanen, Kimmo Karinen, Mauri Lounasmaa
Rok vydání: 1998
Předmět:
Zdroj: Tetrahedron. 54:157-164
ISSN: 0040-4020
Popis: Base-catalysed epimerization of the easily accessible trans ester 3 at C-1 gives rise in good yield to the seemingly less stable cis ester 2, which can be converted into the indole alkaloid tacamonine (1) in three steps.
Databáze: OpenAIRE