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Synthesis 1986; 1986(2): 137-139
DOI: 10.1055/s-1986-31499
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A New Facile, and Convenient Synthesis of 2-Oxo-3-alkenoic Acids and Esters

Masaru Hojo* , Ryōichi Masuda, Hiroshi Sano, Makoto Saegusa
  • *Department of Industrial Chemistry, Faculty of Engineering, Kobe University, Kobe, 657, Japan
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Publication Date:
20 August 2002 (online)

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Activated 1-alkenes such as ketene dithioacetals, vinyl sulfides, N-vinyl amides, and N-vinylcarbazole react with oxalyl chloride or ethoxalyl chloride in the presence of pyridine to give the 2-oxo-3-alkenoic acids or ethyl esters, respectively.

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