WebWe would like to show you a description here but the site won’t allow us. WebFeb 21, 2015 · These organics were pooled and extracted in turn with 2x50 mL 5% NaOH. Acidification of the pooled aqueous fractions with HCl, followed by extraction with 2x50 mL CH2Cl2 gave, after evaporation of the solvent, a residue that was distilled at 140-150 °C at 0.25 mm/Hg to give 3-hydroxy-4,5-methylenedioxybenzaldehyde.
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