| 发明名称 |
Method of preparing 2,4-difluoroaniline |
| 摘要 |
A method of preparing 2,4-difluoroaniline by reacting 2,4,5-trichloronitrobenzene with a fluorinating agent to form 2,4-difluoro-5-chloronitrobenzene which is then hydrogenated with hydrogen in the presence of a catalyst to form 2,4-difluoroaniline.
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| 申请公布号 |
US4294988(A) |
申请公布日期 |
1981.10.13 |
| 申请号 |
US19770847187 |
申请日期 |
1977.10.31 |
| 申请人 |
MERCK & CO., INC. |
发明人 |
TULL, ROGER J.;WEINSTOCK, LEONARD M.;SHINKAI, ICHIRO |
| 分类号 |
C07C201/12;C07C205/12;(IPC1-7):C07C85/11 |
主分类号 |
C07C201/12 |
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