Reaction of Pummerer rearrangement intermediates with sulphides and thiols. Synthesis of sulphonium salts and dithioacetals

R Tanikaga, Y Hiraki, N Ono, A Kaji

Index: Tanikaga, Rikuhei; Hiraki, Yuji; Ono, Noboru; Kaji, Aritsune Journal of the Chemical Society, Chemical Communications, 1980 , # 2 p. 41 - 42

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Abstract

By RIKUHEI TANIKAGA," YUJI HIRAKI, NOBORU ONO, and ARITSUNE KAJI (Department of Chemistry, Faculty of Science, Kyoto University, Sakyo-ku, Kyoto 606, Japan) ... Summary Sulphides (5) and thiols (6) react instantly with the Pummerer rearrangement intermediates (3) at 0 "C to give sulphonium salts (7) and dithioacetals (S), respec- tively. ... THE Pummerer rearrangement has been suggested to proceed via a sulphonium ion and a sulphur-stabilized carbonium ...

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