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Organic Letters· 2026Q1

Ring Expansion of Benzothiaselenazole-1-oxides via Five-Membered Selenonium Ion-Mediated Alkene Insertion into Se–N Bonds

Zhiqiang Duan, Yuwei Liu, Zhongyi Zeng, Zhi Zhou et al.

Short summary

A novel calcium-catalyzed reaction expands benzothiaselenazole-1-oxides by inserting alkenes into Se–N bonds, forming diverse ring-expanded organoselenium compounds.

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ToxicologyPharmacology, Toxicology and Pharmaceutics