Summary:
- An ester is a derivative of a carboxylic acid in which the hydrogen atom of the hydroxyl group has been replaced with an alkyl group.
- Esters are very commonly found in plants and are responsible for many distinctive odors and flavors.
- For example, methyl salicylate has the odor and flavor of oil of wintergreen, while propyl ethanoate has that of a pear.
- The steps for naming esters along with two examples are shown below.