发明名称 |
VERFAHREN ZUR HERSTELLUNG VON (R)-(-)-5-(2-AMINOPROPYL)-2-METHOXYBENZOLSULFONAMID |
摘要 |
<p>A method of preparation of (R)-(-)-5-(2-aminopropyl)-2-methoxybenzenesulfonamide of formula I and its use for production tamsulosin. A protective group is introduced to N-[(1R)-2(4-methoxyphenyl)-1-methylethyl]-N-[(1R)-1-phenylethyl)]amine and the resulting amide of formula IX is chlorosulfonated and the resulting sulfochloride is converted to a sulfonamide of formula X, from which the compound of formula I is obtained by hydrogenation.</p> |
申请公布号 |
DE602005024728(D1) |
申请公布日期 |
2010.12.23 |
申请号 |
DE20056024728T |
申请日期 |
2005.02.03 |
申请人 |
ZENTIVA, K.S. |
发明人 |
HAJICEK, JOSEF;SLAVIKOVA, MARKETA |
分类号 |
C07C303/40;C07C303/38;C07C311/37;C07C311/46 |
主分类号 |
C07C303/40 |
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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