Synthesis of a Pentaarylcarbazole: Installation of Different Aryl Groups on a Benzenoid Moiety

Synthesis of a Pentaarylcarbazole: Installation of Different Aryl Groups on a Benzenoid Moiety

We report here a novel strategy for the synthesis of 1,2,3,4,9-pentaarylcarbazole. In this method, an N-alkynylation of sulfonamide facilitated by an iodonium salt, and spontaneous cycloaddition of the resulting ynamide were crucial for the rapid construction of the central carbazole core.

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Veröffentlicht in:Chemistry letters 2020-08, Vol.49 (8), p.918-920
Hauptverfasser: Tanaka, Shuhei, Asako, Takashi, Ota, Eisuke, Yamaguchi, Junichiro
Format: Artikel
Sprache:eng
Schlagworte:
Aromatic compounds
Carbazoles
Chemistry
Chemistry, Multidisciplinary
Cycloaddition
Physical Sciences
Science & Technology
Sulfonamides
Synthesis
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Zusammenfassung:We report here a novel strategy for the synthesis of 1,2,3,4,9-pentaarylcarbazole. In this method, an N-alkynylation of sulfonamide facilitated by an iodonium salt, and spontaneous cycloaddition of the resulting ynamide were crucial for the rapid construction of the central carbazole core.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.200302