Tetrahedron Letters p. 757 - 760 (1984)
Update date:2022-08-05
Topics:
Ueda, Norihiro
Shimizu, Hiroshi
Kataoka, Tadashi
Hori, Mikio
Non-stereospecific ring expansion reactions of 5-membered heterocyclic sulfoxides, 1,3-benzoxathiole sulfoxides, 1,3-benzodithiole sulfoxides, and 1,3-dithiolane sulfoxides having a heteroatom at β-position to the sulfinyl group with acetic anhydride or p-toluenesulfonic acid are described together with their reaction mechanism involving a sulfonium ion intermediate.
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