Acetic Anhydride → HCID 58913571, compound

Participants

Reaction Steps

This compounds was synthesised in the same manner as described above. 4-{4-[2-(5-Chloro-2,4-dihydroxy-phenyl)-2-oxo-ethyl]-phenoxy}-butyronitrile (0.62 g, 1.8 mmol), acetic anhydride (1.0 ml), potassium carbonate (1 g, 7.2 mmol). 4-[4-(6-Chloro-7-hydroxy-2-methyl-4-oxo-4H-chromen-3-yl)-phenoxy]-butyronitrile was obtained as a white solid (0.55 g, 82.7%) Rf 0.6 ethyl acetate/hexane (70/30).

Provenance & Evidence