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): &lt;CHEM&gt; 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
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