发明名称 |
Process for the preparation of 1,4-bis(4-fluorobenzoyl)-benzene |
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.
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申请公布号 |
US5300693(A) |
申请公布日期 |
1994.04.05 |
申请号 |
US19920949526 |
申请日期 |
1992.11.25 |
申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
GILB, WALTER;GROETSCH, GEORG;SCHUBERT, HANS |
分类号 |
B01J27/08;C07B61/00;C07C45/46;C07C49/813;(IPC1-7):C07C45/46 |
主分类号 |
B01J27/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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