| 发明名称 |
ENRICHMENT OF OPTICAL PURITY OF 2-(4-ARYLOXYPHENOXY)PROPIONIC ACIDS BY CRYSTALLIATION AS HYDRATES |
| 摘要 |
The present invention concerns a process for enrighing the optical purity of an optically active 2-(4-aryloxyphenoxy)propionic acid by formation of the hydrate of the enantiomer in excess and its removal from solution. |
| 申请公布号 |
AU3795189(A) |
申请公布日期 |
1990.01.11 |
| 申请号 |
AU19890037951 |
申请日期 |
1989.07.10 |
| 申请人 |
THE DOW CHEMICAL COMPANY |
发明人 |
LARRY D. KERSHNER;JIMMY J. TAI |
| 分类号 |
C07D241/44;C07B57/00;C07C51/487;C07C59/68;C07C253/30;C07C255/54;C07D213/63;C07D213/64;C07D213/643;C07D263/58 |
主分类号 |
C07D241/44 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
