Abstract
In the process of developing our aryl coupling methodology according to which aryl iodides are caused to react with aryl bromides under the catalytic action of a dual palladium/norbornene catalyst, we have worked out new protocols to cause appropriate functional groups in the aryl halides to form heterocyclic rings condensed with the first-formed biaryl intermediate. Carbazoles, dibenzopyrans, phenanthridines and azaphenanthrenes have been obtained with good yields in one-pot reactions under mild conditions.
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Financial support from MIUR and the University of Parma is gratefully acknowledged.
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Catellani, M., Motti, E. & Della Ca’, N. New Protocols for the Synthesis of Condensed Heterocyclic Rings Through Palladium-Catalyzed Aryl Coupling Reactions. Top Catal 53, 991–996 (2010). https://doi.org/10.1007/s11244-010-9548-y
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DOI: https://doi.org/10.1007/s11244-010-9548-y