发明名称 |
Preparation of aromatic carbonyl or sulfonyl compounds with an aryl ether structure |
摘要 |
A process for the preparation of aromatic carbonyl or sulfonyl compounds with a diaryl ether structure by reacting phenols with halogenated carbonyl- or sulfonylaromatic compounds in a dipolar aprotic solvent is carried out in the presence of catalytic amounts of alkali metal nitrite or an aromatic nitro, nitroso, azo, azoxy or hydrazo compound.
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申请公布号 |
US5256826(A) |
申请公布日期 |
1993.10.26 |
申请号 |
US19920937416 |
申请日期 |
1992.08.31 |
申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
HAHN, ERWIN;EILINGSFELD, HEINRICH J.;REICHELT, HELMUT;AUMUELLER, ALEXANDER;HUPFELD, BERND |
分类号 |
B01J31/02;C07B61/00;C07C45/71;C07C49/84;C07C315/04;C07C317/22;(IPC1-7):C07C315/04;C07C45/61;C07C67/24 |
主分类号 |
B01J31/02 |
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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