An efficient method for the construction of pyrrolo[1,2-a]quinoxalines, indolo[1,2-a]quinoxalines, e.g., I, and their aza-analogs is described. The reaction involved a Pd-catalyzed intramol. cyclization as the key step and provided the desired products in only two steps and good overall yields.
A valuable synthesis of pyrrolo[1,2-a]quinoxalines, indolo[1,2-a]quinoxalines and their aza-analogues by palladium-catalyzed intramolecular carbon-nitrogen bond formation / G. Abbiati, E.M. Beccalli, G. Broggini, G. Paladino, E. Rossi. - In: SYNTHESIS. - ISSN 0039-7881. - 2005:17(2005), pp. Z07705SS.2881-Z07705SS.2886.
A valuable synthesis of pyrrolo[1,2-a]quinoxalines, indolo[1,2-a]quinoxalines and their aza-analogues by palladium-catalyzed intramolecular carbon-nitrogen bond formation
G. AbbiatiPrimo
;E.M. BeccalliSecondo
;G. PaladinoPenultimo
;E. RossiUltimo
2005
Abstract
An efficient method for the construction of pyrrolo[1,2-a]quinoxalines, indolo[1,2-a]quinoxalines, e.g., I, and their aza-analogs is described. The reaction involved a Pd-catalyzed intramol. cyclization as the key step and provided the desired products in only two steps and good overall yields.
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