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Communication | Special issue | Vol 15, No. 2, 1981, pp.803-806
Published online, 1st January, 1970
DOI: 10.3987/S-1981-02-0803
Synthesis of 5H-1,2,3-Dithiazole, a Novel Heterocycle

Renji Okazaki, Kaoru Inoue, and Naoki Inamoto*

*Department of Chemistry, Faculty of Science, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033


The reaction of β-ketoenamines with disulfur dichloride afforded 5H-1,2,3-dithiazoles probably via cyclization of intermediate N-thiosulfinylamine. Implication of this reaction with the Herz reaction is also mentioned.