发明名称 |
CATALYTIC BROMINATION OF 2-FLUOROANILINE |
摘要 |
A process for the production of 2,4-dihaloaniline, especially 4-bromo-2-fluoroaniline, via the halogenation (bromination) of 2-haloaniline (2-fluoroaniline) in the presence of quaternary ammonium halide (bromide) catalyst in an inert solvent. The yield and selectivity are very high and the inventive method includes continuous processing with recycle of the catalyst/solvent mixture.
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申请公布号 |
US5053542(A) |
申请公布日期 |
1991.10.01 |
申请号 |
US19900472930 |
申请日期 |
1990.01.31 |
申请人 |
MALLINCKRODT SPECIALTY CHEMICALS COMPANY |
发明人 |
PATTON, JERRY R.;GURUSAMY, NARAYANASAMY |
分类号 |
C07C209/74 |
主分类号 |
C07C209/74 |
代理机构 |
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代理人 |
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地址 |
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