发明名称 |
PROCESS FOR PREPARING 2-HALOGENATED INDAN-1-ONES |
摘要 |
In an advantageous 2-halogenated indan-1-one production process, anilines are transformed into diazonium salts, which are then reacted with acryl compounds to produce 3-phenyl-1-halogenated propionic acid derivatives, and the latter are annulated.
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申请公布号 |
CA2301833(A1) |
申请公布日期 |
1999.03.04 |
申请号 |
CA19982301833 |
申请日期 |
1998.08.13 |
申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
FIEGE, HELMUT;PAETZ, KLAUS-CHRISTIAN;STEFFAN, GUIDO;KOMOSCHINSKI, JOACHIM |
分类号 |
C07C45/46;C07C49/697;(IPC1-7):C07C49/697;C07C245/20 |
主分类号 |
C07C45/46 |
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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