Synthesis 2000; 2000(14): 2131-2136
DOI: 10.1055/s-2000-8714
special topic
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Transition Metal Complexes in Organic Synthesis, Part 63; Convergent Iron-Mediated Syntheses of the Furo[3,2-a]carbazole Alkaloid Furostifoline

Hans-Joachim Knölker* , Wolfgang Fröhner
  • *Institut für Organische Chemie, Universität Karlsruhe, Richard-Willstätter-Allee, D-76131 Karlsruhe, Germany; Fax +49(721)69 85 29; E-mail: [email protected]
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31. Dezember 2000 (online)

Two highly efficient routes to the furo[3,2-a]carbazole alkaloid furostifoline are described. Both syntheses use the iron-mediated arylamine cyclization as the key-step and lead to the natural product in seven and five steps, respectively.