发明名称 |
A PROCESS FOR THE PREPARATION OF ESERETHOLE |
摘要 |
A process for the preparation of 1,3-dimethyl-5-hydroxy-oxindole of formula (II) which comprises the reaction of 4-(N-methylamino)phenol with 2-halogen-propinol chloride and cyclization of the resulting compound in the presence of Lewis acids, and the conversion thereof to eserethole. |
申请公布号 |
WO9324455(A1) |
申请公布日期 |
1993.12.09 |
申请号 |
WO1993EP01353 |
申请日期 |
1993.05.28 |
申请人 |
LABORATORIO CHIMICO INTERNAZIONALE S.P.A. |
发明人 |
BELLI, ALDO;CHIODINI, GIORGIO;MAIORANA, STEFANO |
分类号 |
B01J27/125;C07B61/00;C07C231/02;C07C233/25;C07D209/34;C07D487/04;(IPC1-7):C07D209/34 |
主分类号 |
B01J27/125 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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