Diketones are organic compounds that contain two carbonyl groups (C=O) within their molecular structure. They are classified as a type of ketone, where the carbonyl groups are flanked by carbon atoms. Diketones can be found in various natural and synthetic substances, and they often contribute to the flavor and aroma of certain foods. Common examples of diketones include 2,3-butanedione, also known as diacetyl, which is found in butter and some fermented products. Diketones play important roles in chemical reactions and can be used in the production of pharmaceuticals, fragrances, and other industrial applications.