| 发明名称 |
PROCESS FOR PREPARING THE 2',4'-DIFLUORO-4-HYDROXY-(1,1'-DIPHENYL)-3-CARBOXYLIC ACID |
| 摘要 |
Process for carboxylating 2',4'-difluoro-4-hydroxy-1,1'-diphenyl or a derivative thereof with an alkaline alkylcarbonate at atmospheric pressure to afford 2',4'-difluoro-4-hydroxy-(1,1'-diphenyl)-3-carboxylic acid. |
| 申请公布号 |
DE3361707(D1) |
申请公布日期 |
1986.02.13 |
| 申请号 |
DE19833361707 |
申请日期 |
1983.07.16 |
| 申请人 |
ZAMBON S.P.A. |
发明人 |
MENEGHIN, MARIANO;PICCINELLI, PIERO;GIORDANO, CLAUDIO |
| 分类号 |
C07C65/00;C07C51/00;C07C51/15;C07C65/105;C07C67/00;(IPC1-7):C07C51/15 |
主分类号 |
C07C65/00 |
| 代理机构 |
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