Abstract
A new π‐conjugated system of nitrogen‐containing polycyclic compounds was constructed by cationic AuI‐catalyzed cycloisomerization. Intramolecular reaction of 9‐(2‐alkynylphenyl)‐9H‐carbazole derivatives gave a variety of penta‐ and hexacyclic compounds possessing a dibenzazepine skeleton. The rigid carbazole structure was responsible for efficient 7‐endo‐dig cycloisomerization.
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