A silver‐ and light‐mediated radical alkoxycarbonylation of quinoxalin‐2(1 H )‐ones has been developed. This direct esterification protocol provides efficient access to quinoxaline‐3‐carboxylates. The operationally simple reaction features good functional group compatibility, and mild conditions. Notably, the successful late‐stage functionalization of complex molecules demonstrates significant synthetic utility for modifying biologically active natural products.
Zhou et al. (Wed,) studied this question.