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Synthesis 1987; 1987(2): 164-166
DOI: 10.1055/s-1987-27872
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Synthesis of Dithioacetals from Carbonyl Compounds and Thiols in the Presence of Polyphosphoric Acid Trimethylsilyl Ester (PPSE)

Masa-aki Kakimoto* , Takuya Seri, Yoshio Imai
  • *Department of Textile and Polymeric Materials, Tokyo, Institute of Technology, Ookayama, Meguro-ku Tokyo 152, Japan
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Publication Date:
12 September 2002 (online)

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Dithioacetals were synthesized from carbonyl compounds and thiols in the presence of polyphosphoric acid trimethylsilyl ester (PPSE) Aldehydes, Ketones, and trioxane could be used as carbonyl compounds, and aromatic, primary, secondary, and tertiary thiols were applicable in the present reaction. The reaction between cyclohexanone and t-butyl thiol afforded a mixture of corresponding dithioacetal and t-butylcyclohexenylsulfide.