Abstract

A study has been made of the electrolytic reduction of certain aromatic carboxylic acids and esters at a platinized‐platinum cathode (Pt‐pt) in alcoholic sulfuric acid solution. It was found that the reduction at a Pt‐pt cathode was quite different from that pursued at a lead or a mercury cathode. At a Pt‐pt cathode, the reduction of benzoic, phenylacetic, and cinnamic acids and esters gave rise to cyclohexyl compounds. In no case was the carboxyl group reduced.A special study of the electrolysis at a Pt‐pt cathode under elevated pressure was made. The results confirm the catalytic nature of the process.

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