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7558972 
Journal Article 
Transition metal complexes in organic synthesis, part 63; Convergent iron-mediated syntheses of the furo[3,2-a]carbazole alkaloid furostifoline 
Knolker, HJ; Frohner, W; , 
2000 
Synthesis
ISSN: 0039-7881
EISSN: 1437-210X 
GEORG THIEME VERLAG KG 
STUTTGART 
14 
2131-2136 
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.