Radical-mediated ring enlargement of cyclobutenones: New synthetic potential of squaric acid

DOI: 10.1021/ja00143a006

Source and publish data:

Journal of the American Chemical Society p. 9653 - 9661 (1995)

Update date:2022-09-26

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Authors:

Yamamoto, Yoshihiko

Ohno, Masatomi

Eguchi, Shoji

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Article abstract of DOI:10.1021/ja00143a006

4-Hydroxy-2-cyclobutenones, which are readily obtainable from diethyl squarate, reacted with lead tetraacetate to give 5-acetoxy-2(5H)-furanones and 5-alkylidene-2(5H)-furanones via oxy-radical-triggered ring opening (β-scission) and subsequent 5-endo rec

Full text of DOI:10.1021/ja00143a006

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