| 发明名称 |
SELECTIVE ORTHO-CHLORINATION OF PHENOLS |
| 摘要 |
Phenolic compounds, notably admixtures of 2,4-dichlorophenol and 2,6-dichlorophenol, are selectively chlorinated at the ortho positions thereof, with gaseous chlorine and in a molten medium, in the presence of a selectivity-enhancing effective amount of an organic cation.
|
| 申请公布号 |
US5149858(A) |
申请公布日期 |
1992.09.22 |
| 申请号 |
US19880219780 |
申请日期 |
1988.07.18 |
| 申请人 |
RHONE-POULENC CHIMIE |
发明人 |
DESMURS, JEAN-ROGER;BESSON, BERNARD;JOUVE, ISABELLE |
| 分类号 |
C07C41/22;B01J31/02;C07B39/00;C07B61/00;C07C37/62;C07C39/27;C07C43/23;C07C51/363;C07C65/03;C07C67/307;C07C69/63;C07C69/88;C07C205/59;C07C231/00;C07C233/25;C07C233/33;C07C233/43;C07C233/54;C07C255/53 |
主分类号 |
C07C41/22 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
