COCH2COCH2CH2CH3

COCH2COCH2CH2CH3, also known by its IUPAC name 1-phenylbutane-1,3-dione, is an organic compound belonging to the class of beta-diketones. It is a symmetrical diketone where a carbonyl group is present at the first and third carbon atoms of a butane chain, with a phenyl group attached to the first carbon. Its molecular formula is C10H10O2 and it has a molecular weight of approximately 162.19 g/mol. This compound exists as a solid at room temperature and is generally soluble in organic solvents. The presence of two carbonyl groups separated by a methylene group makes it a versatile molecule in organic synthesis. It can undergo keto-enol tautomerism, existing in equilibrium between its diketo form and its enol form. This tautomerism contributes to its reactivity, particularly in reactions involving chelation with metal ions. 1-phenylbutane-1,3-dione can be synthesized through various methods, often involving the Claisen condensation or related reactions. It finds applications as a ligand in coordination chemistry and as a building block in the synthesis of heterocyclic compounds and pharmaceuticals.