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
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