| 发明名称 |
METHOD FOR THE PREPARATION OF DIFLUOROMETHOXYAROMATIC COMPOUNDS |
| 摘要 |
<p>A METHOD FOR THE PREPARATION OF DIFLUOROMETHOXYAROMATIC COMPOUNDS A method for the preparation of difluoromethoxyaromatic compounds which are useful intermediates for the preparation of pyrethroid pesticides. The method comprises alkylating a ?-substituted phenol with excess chlorodifluoromethane at atmospheric or superatmospheric pressures in the presence of a base, water, and an inert water miscible organic solvent mixture.</p> |
| 申请公布号 |
CA1203549(A) |
申请公布日期 |
1986.04.22 |
| 申请号 |
CA19830435107 |
申请日期 |
1983.08.22 |
| 申请人 |
AMERICAN CYANAMID COMPANY |
发明人 |
SIDDENS, JACK K. |
| 分类号 |
C07C41/16;C07C43/225;C07C69/734;C07C205/37;C07C255/53;(IPC1-7):C07C43/225;C07C69/736;C07C121/75 |
主分类号 |
C07C41/16 |
| 代理机构 |
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