Chemistry Letters

Pummerer rearrangement promoted by polyphosphoric acid trimethylsilyl ester (PPSE)

M Kakimoto, Y Imai

Index: Kakimoto, Masa-aki; Imai, Yoshio Chemistry Letters, 1984 , p. 1831 - 1834

Full Text: HTML

Citation Number: 3

Abstract

It was found that PPSE catalyzed Pummerer rearrangement of various types of sulfoxides. When α-(phenylsulfinyl) acetophenone was used as sulfoxide, unusual product, phenyl phenylthioglyoxylate was isolated. The reaction seems to proceed via phosphorylation of oxygen of sulfoxides.