A NOVEL METHOD OF SULFIDE SYNTHESIS FROM SULFOXIDES WITH N,N-DIMETHYLTHIOFORMAMIDE

Haruo Kamijo Department of Industrial Chemistry, College of Science and Technology, Nihon University, 1–5 Kanda-surugadai, Chiyoda-ku, Tokyo, 101, Japan

Toshio Takido Department of Industrial Chemistry, College of Science and Technology, Nihon University, 1–5 Kanda-surugadai, Chiyoda-ku, Tokyo, 101, Japan

Toshikatsu Nakazawa Department of Industrial Chemistry, College of Science and Technology, Nihon University, 1–5 Kanda-surugadai, Chiyoda-ku, Tokyo, 101, Japan

Kunio Itabashi Department of Industrial Chemistry, College of Science and Technology, Nihon University, 1–5 Kanda-surugadai, Chiyoda-ku, Tokyo, 101, Japan

Manabu Seno Department of Industrial Chemistry, College of Science and Technology, Nihon University, 1–5 Kanda-surugadai, Chiyoda-ku, Tokyo, 101, Japan

Abstract

Sulfoxides were deoxygenated by N,N-dimethylthioformamide (DMTF) to give quantitatively the corresponding sulfides in the presence of the catalytic amount of sulfuric acid under mild conditions. DMTF changes into dimethylformamide (DMF) by this reaction and it may be used in a recycling way. since DMF is converted into DMTF by diphosphorus pentasulfide in a good yield.

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A NOVEL METHOD OF SULFIDE SYNTHESIS FROM SULFOXIDES WITH N,N-DIMETHYLTHIOFORMAMIDE

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A NOVEL METHOD OF SULFIDE SYNTHESIS FROM SULFOXIDES WITH N,N-DIMETHYLTHIOFORMAMIDE

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