Journal of Organic Chemistry p. 5272 - 5274 (1987)
Update date:2022-07-31
Topics:
Hormi, Osmo E. O.
Moisio, M. Riitta
Sund, B. Christian
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
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