Journal of heterocyclic chemistry

Benzofurans. Ketene intermediates in the perkin reaction

WT Brady, YQ Gu

文献索引：Brady, William T.; Gu, Yi-Qi Journal of Heterocyclic Chemistry, 1988 , vol. 25, p. 969 - 971

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被引用次数: 22

摘要

Abstract The intermediacy of ketenes in the intramolecular reaction of ketoacids with sodium acetate in acetic anhydride to form benzofurans is demonstrated. The Perkin reaction conditions are superior to the classical ketene generation method of triethylamine