A Valuable Synthesis of Pyrrolo[1,2-<i>a</i>]quinoxalines, Indolo[1,2-<i>a</i>]quinoxalines and their Aza-Analogues by Palladium-Catalyzed Intramolecular Carbon-Nitrogen Bond Formation - Concepedia

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A Valuable Synthesis of Pyrrolo[1,2-<i>a</i>]quinoxalines, Indolo[1,2-<i>a</i>]quinoxalines and their Aza-Analogues by Palladium-Catalyzed Intramolecular Carbon-Nitrogen Bond Formation

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References

2005

Year

Egle M. Beccalli, Giorgio Abbiati, Gianluigi Broggini, Giuseppe Paladino, Elisabetta Rossi

Abstract

A novel and efficient method for the construction of pyrrolo[1,2-a]quinoxalines, indolo[1,2-a]quinoxalines and their aza-analogues is described. The reaction involves a Pd-catalyzed intramolecular cyclization as the key step and provides the desired products in only two steps and good overall yields.