| 摘要 |
PURPOSE:The reaction of a specific halogenated aromatic hydroxy compound with carbon monoxide is effected in a solvent containing a specific amount of water in the presence of a basic substance and a specific catalyst to give the titled compound which is used as a starting substance for polyester through one step reaction in high yield. CONSTITUTION:A halogenated, preferably brominated or iodinated aromatic hydroxy compound where the compounds bearing halogen and hydroxyl on the adjacent position are excluded is allowed to react with carbon monoxide in water or a solvent containing water in which the amount of water is more than the equivalent amount to the halogen in the aromatic hydroxy compound, in the presence of a base such as n-tributylamine in the presence of a catalyst containing transition metal compounds such as a palladium chloride and triphenyl phosphine complex, at a carbon monoxide partial pressure of 1-200kg/cm<2> and temperature of 50-300 deg.C to give the objective compound. USE:A starting material for preservatives, fungicides, agrochemicals, synthetic fibers, plasticizers or heat-resistant and chemical-resistant fibers and resins. |
