Synthesis of Fused Benzofuranes by Dehydratation of Cyclic Phenyl-β-dicarbonyl Compounds

DOI: 10.1007/BF00811290

Source and publish data:

Monatshefte fur Chemie p. 1177 - 1184 (1987)

Update date:2022-09-26

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Authors:

Kappe, Thomas

Brandner, Alexander

Stadlbauer, Wolfgang

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Article abstract of DOI:10.1007/BF00811290

3-Hydroxy-3-phenyl-quinoline-2,4-diones (1) cyclize on treatment with strong acids to give benzofuroquinolones (3).In analogy, 2-hydroxy-2-phenylphenalenedione (7) furnishes the benzofurophenalenone 10. - Keywords: Benzofuranes; Phenyl-β-dicarbonyl compou

Full text of DOI:10.1007/BF00811290

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