| 发明名称 |
A NEW PROCESS FOR THE PREPARATION OF THE D-2-(6-METHOXY-2-NAPHTHYL)-PROPIONIC ACID |
| 摘要 |
A new process for the preparation of the d-2-(6-methoxy-2-naphthyl)-propionic acid of formula <IMAGE> I which comprises resolving a racemic mixture of the d- and 1-2-(5-halo-6-methoxy-2-naphthyl)-propionic acids of formula <IMAGE> II wherein halo stands for a halogen atom, recovering the d-isomer and subjecting this isomer to catalytic dehalogenation. Compound I is obtained in very high yields and with a high purity degree. |
| 申请公布号 |
ZA8202145(B) |
申请公布日期 |
1983.02.23 |
| 申请号 |
ZA19820002145 |
申请日期 |
1982.03.29 |
| 申请人 |
ALFA CHEMICALS ITALIANA SPA |
发明人 |
CANNATA V;TAMERLANI G |
| 分类号 |
C07C51/347;B01J25/02;B01J27/00;B01J31/02;C07B31/00;C07B57/00;C07B61/00;C07C45/46;C07C45/58;C07C51/00;C07C51/377;C07C51/487;C07C59/64;C07C67/00 |
主分类号 |
C07C51/347 |
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