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Synthesis 1991; 1991(1): 15-18
DOI: 10.1055/s-1991-26366
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A Novel Route to Alkenoyl- and Cinnamoylketene Dithioacetals

Eun Bok Choi* , In Kwon Youn, Chwang Siek Pak
  • *Korea Research Institute of Chemical Technology, P.O. Box 9, Daedeog Danji, Chungnam, South Korea
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Publication History

Publication Date:
17 September 2002 (online)

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2-Acetyl(ethoxycarbonyl)methylene-1,3-dithietane and -dithiane (1) were condensed with various aldehydes or ketones to afford high yields of the corresponding substituted 2-(1-carboxy-2-oxo-3-butenylidene)-1,3-dithietanes and -dithianes 4, which upon heating decarboxylated smoothly to give the title compounds in high yield.

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