A new class of Corey–Chaykovsky reagent type five-membered heterocycles with an oxosulfonium ylide moiety has been synthesized by the water-mediated intramolecular cyclization/oxidation of α-carbonyl sulfur ylides generated in situ from sulfonium salts under mild conditions.

中文翻译：

---

α-羰基硫叶立德的水介导分子内环化/氧化：Corey-Chaykovsky 试剂型杂环的合成

通过在温和条件下原位由硫盐生成的 α-羰基硫叶立德的水介导分子内环化/氧化，合成了一类新的具有氧硫叶立德部分的 Corey-Chaykovsky 试剂型五元杂环。