Flavone-3-carboxylic Acids, Esters, and Related Compounds from β-Chloroarylidenemalonates

DOI: 10.1021/jo00232a039

Source and publish data:

Journal of Organic Chemistry p. 5272 - 5274 (1987)

Update date:2022-07-31

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Authors:

Hormi, Osmo E. O.

Moisio, M. Riitta

Sund, B. Christian

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Article abstract of DOI:10.1021/jo00232a039

β-Chloroarylidenemalonates I have been transformed into β-(aryloxy)arylidenemalonates II.The ring closure of II in polyphosphoric acid leads to ethyl flavone-3-carboxylates and related compounds III.Hydrolysis of II gives β-(aryloxy)arylidenemalonic acids

Full text of DOI:10.1021/jo00232a039

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