发明名称 |
Preparation of aromatic bisimides |
摘要 |
Aromatic bisimides can be prepared by effecting reaction under anhydrous conditions between a 3- or 4-nitro-N-substituted phthalimide with an aromatic dihydroxy compound in the presence of a certain class of dipolar aprotic compounds as solvent and solid potassium carbonate and in the further presence of a particulate zeolite adsorbent.
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申请公布号 |
US4054577(A) |
申请公布日期 |
1977.10.18 |
申请号 |
US19760683648 |
申请日期 |
1976.05.06 |
申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
RELLES, HOWARD M.;JOHNSON, DONALD S. |
分类号 |
C07D209/48;C08G73/10;(IPC1-7):C07D209/34 |
主分类号 |
C07D209/48 |
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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