| 发明名称 |
PROCESS FOR THE PREPARATION OF DIETHER DIPHTHALIC ANHYDRIDES |
| 摘要 |
<p>PROCESS FOR THE PREPARATION OF DIETHER DIPHTHALIC ANHYDRIDES Diether diphthalic anhydrides are prepared by reacting fluorophthalic anhydride with an aromatic dihydroxyl compound in the presence of potassium fluoride and a polar, aprotic solvent.</p> |
| 申请公布号 |
CA1269391(A) |
申请公布日期 |
1990.05.22 |
| 申请号 |
CA19880564849 |
申请日期 |
1988.04.22 |
| 申请人 |
OCCIDENTAL CHEMICAL CORPORATION |
发明人 |
SCHWARTZ, WILLIS T., JR. |
| 分类号 |
C07D307/89;B01J27/12;C07B61/00;C07C51/567;(IPC1-7):C07D307/60 |
主分类号 |
C07D307/89 |
| 代理机构 |
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