| 发明名称 |
Antihistaminic piperidine derivatives and intermediates |
| 摘要 |
A process for the preparation of substantially pure [4-(4-halo-1-oxybutyl)]-N-methoxy-N-methyl-benzeneacetamide of formula (I) is disclosed, wherein X is Cl, Br or I these compounds are suitable as intermediates in the synthesis of antihistaminic piperidine derivatives. (62) Divided Out of 508477
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| 申请公布号 |
NZ528839(A) |
申请公布日期 |
2005.03.24 |
| 申请号 |
NZ19990528839 |
申请日期 |
1999.06.17 |
| 申请人 |
AVENTIS PHARMACEUTICALS, INC |
发明人 |
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| 分类号 |
A61K31/445;A61P37/08;A61P43/00;C07C67/333;C07C69/716;C07C69/738;C07C259/06;C07D211/22;(IPC1-7):C07C69/738 |
主分类号 |
A61K31/445 |
| 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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