Abstract
AbstractSynthesis of heteroaryl ortho‐substituted anilines is hitherto challenging. Herein we report scope and limitation of method for annulation of 1‐(2‐nitroaryl)pyrroles and derivatives of 2‐aminobenzyl alcohol to afford ortho‐substituted pyrrolo[1,2‐a]quinoxalin‐4‐yl anilines. Reaction conditions contained elemental sulfur as promoter, while were tolerant of a wide range of aryl and heteroaryl amines. Our method would offer a feasible tactic to yield anilines steric bulk with ortho heterocyclic substituents.
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