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14.3: The Formation of Carboxylic Acids

Dr D Biochemistry for Health Sciences · LibreTexts

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    From LibreTexts, under CC BY-NC 4.0, as the source states it; its equations are written in TeX, which the PDF shows typeset. This page at LibreTexts.

    Learning Objectives
    • To describe the preparation of carboxylic acids.

    As we noted previously, the oxidation of aldehydes or primary alcohols forms carboxylic acids:

    primary alcohol.jpg

    In the presence of an oxidizing agent, ethanol is oxidized to acetaldehyde, which is then oxidized to acetic acid.

    ethanol.jpg

    This process also occurs in the liver, where enzymes catalyze the oxidation of ethanol to acetic acid.

    \[\mathrm{CH_3CH_2OH \underset{oxidizing\: agent}{\xrightarrow{alcohol\: dehydrogenase}} CH_3CHO \underset{oxidizing\: agent}{\xrightarrow{alcohol\: dehydrogenase}} CH_3COOH} \nonumber \]

    Acetic acid can be further oxidized to carbon dioxide and water.

    Summary

    Whether in the laboratory or in the body, the oxidation of aldehydes or primary alcohols forms carboxylic acids.

    This page titled 14.3: The Formation of Carboxylic Acids was last modified on Fri, 19 Sep 2025 20:46:28 GMT and is shared under a CC BY-NC 4.0 license and was authored, remixed, and/or curated by Staff via source content that was edited to the style and standards of the LibreTexts platform.