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Synthesis 1987; 1987(4): 393-394
DOI: 10.1055/s-1987-27958
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Preparation of Cyclopropenone Acetals and Dithioacetals

Hiroshi Yoshida* , Hiroaki Kinoshita, Tsuyoshi Kato, Nobuya Kanehira, Tsuyoshi Ogata, Kiyoshi Matsumoto
  • *Department of Applied Chemistry, Faculty of Engineering, Shizuoka University, Hamamatsu 432, Japan
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Publikationsdatum:
20. August 2002 (online)

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The title compounds are prepared in good yields from ethoxycyclopropenium fluoroborate and the corresponding alcohols, diols, or dithiols with added triethylamine. Cyclopropenone reacted with dithiols in the presence of trifluoroacetic acid to afford dithioacetals in lower yields, while diols were inert under similar reaction conditions.