Acetic Anhydride → HCID 19800655, compound

Participants

Reaction Steps

A mixture of 2-(4-isopropyl-4-methyl-5-oxo-2-imidazolin-2-yl)-3,4-(methylenedioxy) benzoic acid (3.40 g, 11.2 mmol) and acetic anhydride (20 mL, 0.211 mol) is stirred overnight at reflux temperature. Concentration in vacuo and recrystallized from ethyl acetate to yield the title product as a white solid, 1.50 g (46.9%), mp 237°-242° C., identified by NMR spectral analysis.

Provenance & Evidence