A conjugated diene is a type of hydrocarbon that contains two double bonds separated by a single bond. This arrangement allows for the delocalization of electrons across the molecule, which can enhance its stability and reactivity. Conjugated dienes are important in organic chemistry and are often involved in various chemical reactions, such as Diels-Alder reactions. Common examples of conjugated dienes include butadiene and isoprene. These compounds are significant in the production of synthetic rubber and other materials. The unique properties of conjugated dienes make them valuable in both industrial applications and research settings.