25cyclohexadienone

2,5-cyclohexadienone is an organic compound with the chemical formula C6H6O. It is a bicyclic compound that features a six-membered ring with two double bonds and a ketone functional group. This specific arrangement of atoms classifies it as a dienone, and the numbers in the name indicate the positions of the double bonds and the ketone group within the cyclohexadiene ring. It is an isomer of phenol. While often considered a theoretical or transient intermediate in some chemical reactions, it can be synthesized and studied under specific conditions. The reactivity of 2,5-cyclohexadienone is influenced by the conjugated system of double bonds and the electron-withdrawing nature of the carbonyl group. It can undergo various reactions characteristic of dienes and ketones, such as Diels-Alder reactions or nucleophilic additions. Its electronic structure and chemical behavior have been a subject of study in organic chemistry to understand reaction mechanisms and the properties of conjugated systems.