发明名称 |
Preparation of fluorophthalic anhydrides |
摘要 |
Fluorophthalic anhydrides containing 1 or 2 fluorine atoms are prepared by a process in which a chlorophthalic anhydride containing 1 or 2 chlorine atoms is treated with an acid chloride of sulfurous acid or of carbonic acid in the presence of an aliphatic sulfone, and the reaction mixture is then reacted with potassium fluoride.
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申请公布号 |
US4514572(A) |
申请公布日期 |
1985.04.30 |
申请号 |
US19840572949 |
申请日期 |
1984.01.23 |
申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
HAMPRECHT, GERHARD;VARWIG, JUERGEN;ROHR, WOLFGANG |
分类号 |
C07C51/567;(IPC1-7):C07D307/89 |
主分类号 |
C07C51/567 |
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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