Tietze, Lutz FriedjanLutz FriedjanTietzeToelle, NinaNinaToelleKratzert, DanielDanielKratzertStalke, DietmarDietmarStalke2018-11-072018-11-072009https://resolver.sub.uni-goettingen.de/purl?gro-2/55902A domino process consisting of an amidation, spirocyclization, and formation of an iminium Ion and electrophilic aromatic substitution of a phenylethylamine and a ketoester leads to the spirocyclic skeleton of (+)-erysotramidine, which can be further transformed into the natural alkaloid.Efficient Formal Total Synthesis of the Erythrina Alkaloid (+)-Erysotramidine, Using a Domino Processjournal_article10.1021/ol901980u19860384000271583000035