发明名称 |
Pressurized chlorination and bromination of aromatic compounds |
摘要 |
Disclosed is a method of adding 1 to 4 chlorine or bromine atoms to an aromatic ring of compound that has at least one electron-withdrawing groups on that ring. The aromatic compound is reacted with a chlorinating agent or a brominating agent in the presence of about 0.1 to about 10 mole % of a Lewis acid catalyst at a temperature of ambient to about 100° C. and a pressure of about 10 to about 100 psig.
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申请公布号 |
US6211399(B1) |
申请公布日期 |
2001.04.03 |
申请号 |
US19990412672 |
申请日期 |
1999.10.05 |
申请人 |
OCCIDENTAL CHEMICAL CORPORATION |
发明人 |
SAVIDAKIS MICHAEL C.;JOHNSON DAVID C. |
分类号 |
C07B39/00;C07C17/12;C07C45/63;C07C67/307;C07C253/30;C07C255/50;(IPC1-7):C07C69/76;C07C255/00;C07C17/00;C07C45/00 |
主分类号 |
C07B39/00 |
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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