| 发明名称 |
PROCESS FOR PREPARING ALKYL 3-HYDROXY-2,4,5-TRIFLUOROBENZOATES AND/OR ALKYL 3-ALKOXY-2,4,5-TRIFLUOROBENZOATES |
| 摘要 |
The present invention relates to a process for preparing alkyl 3-hydroxy-2,4,5-trifluorobenzoate and/or alkyl 3alkoxy-2,4,5-trifluorobenzoate by reacting 3-hydroxy-2,4,5-trifluorobenzoic acid with a dialkyl carbonate at 80 to 200.degree.C.
|
| 申请公布号 |
CA2132292(A1) |
申请公布日期 |
1995.03.19 |
| 申请号 |
CA19942132292 |
申请日期 |
1994.09.16 |
| 申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
PFIRMANN, RALF;PAPENFUHS, THEODOR |
| 分类号 |
B01J31/26;C07B61/00;C07C67/10;C07C69/84;C07C69/88;C07C69/92;(IPC1-7):C07C69/84;C07C67/11 |
主分类号 |
B01J31/26 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
