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
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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.
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