Réaction #54974
ord-a79709e505384a2687bef6e5cd029a87
Équation de réaction
Réactifs
Aucun
Solvants
Conditions de réaction
Conditions détaillées
See reaction.notes.procedure_details.
Mode opératoire
0.1 mole resorcinol and 0.1 mole ethyl acetylacetate in solution in 100 ml concentrated sulphuric acid are maintained at 5° C. for 3 hours. After recyrstallisation of the solid formed from ethanol, there are obtained 12.5 grams 4-methyl-7-hydroxy-coumarin, melting at 185° C.