First Access to Tetraazadiindenopyrenes via Selective Pyrrole Cyclization of Phenyl-Substituted Tetraazapyrene Derivatives on Au(111)
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In stark contrast to cyclodehydrogenation (CDH) for constructing graphene nanoribbons through C─C or C─N bond formation, selective pyrrole cyclization via on-surface chemistry remains exceptionally rare and largely unexplored. To the best of our knowledge, t... ...