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It was previously reported by Deulofeu and Mendivelzua, Z. physiol. Chem. 219, 233 (1933) that the condensation of veratraldehyde (3,4-dimethoxybenzaldehyde) with hydantoin in acetic anhydride in the presence of fused anhydrous sodium acetate gave 5-(3',4'-dimethoxybenzal) hydantoin. We have now found, however, that this reaction leads to the formation of a corresponding acetylated product.