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Communication | Regular issue | Vol 22, No. 7, 1984, pp.1527-1530
Published online, 1st January, 1970
DOI: 10.3987/R-1984-07-1527
General Synthesis of 1,4-Dithiins from Diketo Sulfides

Juzo Nakayama,* Hideji Motoyama, Haruki Machida, Masahiro Shimomura, and Masamatus Hoshino

*Department of Chemistry, Faculty of Science, Saitama University, Saitama, Saitama 338-8570, Japan


A variety of 1,4-dithiins are prepared in good yields by treatment of diketo sulfides (readily obtainable from α-haloketones and sodium sulfide) with phosphorus pentasulfide or Lawesson‘s reagent.