ChemInform Abstract: Synthesis of Fused Heterocycles via Preferential Hydroamination of O‐Haloarylalkynes over N‐Arylation and Successive Intramolecular C—C Bond Formation.

Abstract A Cu‐catalyzed tandem approach for the synthesis of indolo‐ and pyrrolonaphthyridines via regioselective addition of indoles or pyrrole to 3‐bromo‐2‐ethynylpyridines (II) followed by intramolecular cyclization is presented.