(opens in new window) Buy Article (opens in new window) Permissions and Reprints (opens in new window) All articles of this category (opens in new window) Aromatic aldehydes and particularly heteroaromatic aldehydes 1 are efficiently and conveniently oxidized to their corresponding carboxylic acids 2 by hydrogen peroxide in formic acid at 4°C.
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Dodd et al. (1993) studied this question.