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Communication | Regular issue | Vol 26, No. 11, 1987, pp.2823-2828
Published online, 1st January, 1970
DOI: 10.3987/R-1987-11-2823
A Convenient Synthetic Method for 4-Nitro-1,3,4,5-tetrahydrobenz[cd]indoles and Its Application for an Alternative Synthesis of (±)-6,7-Secoagroclavine

Masanori Somei, Fumio Yamada, Hiroyuki Ohnishi, Yoshihiko Makita, and Mikako Kuriki

*Faculty of Pharmaceutical Sciences, Kanazawa University, 13-1 Takara-machi, Kanazawa 920-0934, Japan


Various 4-substituted indoles are prepared and a simple synthetic method for 4-nitro-1,3,4,5-tetrahydrobenz[cd]indole derivatives is elaborated using intramolecular Michael addition reaction as a key step. Syntheses of new tetracyclic 4H-indolo[6,5,4-cd] indole derivatives and (±)-6,7-secoagroclavine are also included.