Stereospezifische Synthese zweier 9,11,12,12,13a,14- Hexahydro-dibenzo(f,h)pyrrolo(1,2-b)isochinoline

Zusammenfassung

Summary. The stereospecific synthesis of (13aS)-( + )-2,3,6- and 3,4,6-
trimethoxy-9,11,12,13,13a, 14-hexahydrodibenzo[/, A]pyrrolo[l, 2-&]isoquinoline is described. The
2,3,6-trimethoxy-compound proved to be the optical antipode of (— )-antofine, isolated from
Cynanchum vincetoxicum L. Pers.