Abstract
A new route for preparing benzoylformic acid (phenylglyoxylic acid) was studied by benzene as the starting material after Friedel-Crafts reaction with acetic anhydride, oximation by isopropyl nitrite, then hydrolysis by hydrochloric acid and sodium nitrite. Calculated on the basis of acetophenone, the final yield is 57.5%. The suitable experimental conditions were also discussed.
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