发明名称 |
Process for the preparation of aromatic compounds containing a heterocyclic system |
摘要 |
<p>Process for the preparation of aromatic compounds containing a heterocyclic system, having general formula (II): <CHEM> which comprises reacting catechol, optionally substituted, with a methylene dihalide in a basic environment and in the presence of a solvent medium consisting of N-methylpyrrolidone.</p> |
申请公布号 |
EP0877023(A1) |
申请公布日期 |
1998.11.11 |
申请号 |
EP19980201360 |
申请日期 |
1998.05.01 |
申请人 |
BORREGAARD ITALIA S.P.A. |
发明人 |
PANSERI, PIETRO;CASTELLI, GIAMBATTISTA;MESSORI, VITTORIO |
分类号 |
C07D317/48;C07D317/50;C07D317/52;C07D317/54;C07D317/64;C07D317/66;C07D317/68;(IPC1-7):C07D317/50 |
主分类号 |
C07D317/48 |
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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