发明名称 Demethylation process for preparing benzo¬b thiophenes
摘要 <p>The preparation of benzoÄbÜthiophenes by the acylation of alkoxy protected starting materials followed by demethylation using essentially odorless thiol compound (2-methyl-5-t-butyl benzenethiol) are provided herewith. Demethylation may be carried out in the same reaction vessel without isolation of the acylated, protected material.</p>
申请公布号 EP0875511(A1) 申请公布日期 1998.11.04
申请号 EP19980303345 申请日期 1998.04.29
申请人 ELI LILLY AND COMPANY 发明人 HOARD, DAVID WARREN;LUKE, WAYNE DOUGLAS
分类号 C07D333/64;A61K31/38;A61K31/381;A61K31/40;A61K31/4025;A61K31/4433;A61K31/445;A61P13/02;A61P15/00;A61P35/00;C07D333/56;C07D409/12;(IPC1-7):C07D333/64 主分类号 C07D333/64
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