| 发明名称 |
Process for preparing thiophene derivatives. |
| 摘要 |
A process for the preparation of 3-aminothiophenes or acid-addition salts thereof, which comprises reacting the corresponding 3-oxotetrahydrothiophenes with an acid-addition salt of hydroxylamine in the presence of a polar inert solvent and in the absence of a base at a temperature in the range of from 0 to 200 DEG C.
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| 申请公布号 |
EP0298542(A1) |
申请公布日期 |
1989.01.11 |
| 申请号 |
EP19880201303 |
申请日期 |
1988.06.23 |
| 申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. |
发明人 |
BARKER, JOHN MORRIS;HUDDLESTON, PATRICK ROBINSON |
| 分类号 |
C07D333/36;C07D333/38;C07D333/42;(IPC1-7):C07D333/36 |
主分类号 |
C07D333/36 |
| 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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