This review outlines advancements in annulation of 2-alkynylanilines to N-heterocycles via metal, metal-free, and photoredox approaches, highlighting their mechanistic insights.
This review (2022–2025) presents efficient annulation of 2-alkynylanilines into five- and six-membered N -heterocycles via metal, metal-free, photo- and electrocatalysis, stressing mechanistic insights, chiral architectures, and bioactive frameworks.
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Desai et al. (2025) studied this question.
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