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Synthesis 1987; 1987(4): 395-396
DOI: 10.1055/s-1987-27959
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A New Preparation of Ketenes for Intramolecular Cycloadditions

William T. Brady* , Alan P. Marchand, Y. Frank Giang, An-Hsiang Wu
  • *Department of Chemistry, North Texas State University, Denton, TX 76203, U.S.A.
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Publication Date:
20 August 2002 (online)

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A new preparation of ketenes for intramolecular cycloadditions involves a one-pot synthesis from the appropriate carboxylic acid to the ketene cycloaddition product. A tosylate leaving group rather than the conventional halide ion provides several advantages.

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