Abstract
We report a series of efficient procedures to prepare 2-nitrophenyl-4-aryl-1,2,3-triazoles avoiding the isolation of potentially hazardous 2-nitrophenyl azides. An organocatalyzed azide-enolate variant allows efficient access to the target compounds while it was shown that a metal-catalyzed azide-alkyne procedure involving a preliminary Sonogashira coupling was feasible starting from electron-deficient aryl iodides.
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