Carboxylic acids can undergo reduction reactions. Reduction is the opposite of oxidation. For example, ethanoic acid (CH 3 COOH) can be formed by the oxidation of ethanol as shown below.

The most common is to begin numbering the carbons from the carboxylic acid functional group, with that carbon labeled as carbon 1. Following this system, linoleic acid has double bonds at the 9 ...

A common carboxylic acid is ethanoic acid, vinegar. Carboxylic acids are weak acids that react in the same way as other acids. They are responsible for the rancid flavour and smell of off food.

Now the synthetic “knockout” of a carboxylic acid in amphotericin B, generated in an exacting ten-step chemical sequence, shows this interaction is not required for function. Figure 1 ...