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 |
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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