Alkylation and intramolecular palladium-catalyzed arylation allows for the ready synthesis of C57H33N3 from symmetrical triindole, a triaza analogue of truxene.
Synthesis of a Triaza Analogue of Crushed-Fullerene by Intramolecular Palladium-Catalyzed Arylation
Org. Lett. 2004, 6, 2993-2996.