| 摘要 |
PCT No. PCT/EP91/00929 Sec. 371 Date Nov. 25, 1992 Sec. 102(e) Date Nov. 25, 1992 PCT Filed May 18, 1991 PCT Pub. No. WO92/18862 PCT Pub. Date Dec. 12, 1991.Process for producing 1,4-bis-(4-fluorbenzoyl)-benzol by reacting terephthaloyl chloride with fluorbenzol in the presence of aluminium chloride or aluminium bromide, characterized in that aluminium chloride or aluminium bromide is added in metered quantities to a mixture of terephthaloyl chloride and fluorbenzol at temperatures of approximately 25 degrees C. to approximately 68 degrees C. and the mixture is allowed to react at said temperatures. |
