发明名称 |
Process for the preparation of 2,3,5-trimethy1-p- benzoquinone |
摘要 |
A process for the preparation of 2,3,5-trimethyl-p-benzoquinone by oxidation of 2,3,5- or 2,3,6-trimethylphenol using oxygen or a gas mixture containing oxygen in the presence of a two-phase liquid reaction medium composed of water and a neocarboxylic acid having to 11 carbon atoms with a copper (II) halide-containing catalyst system at elevated temperature.
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申请公布号 |
US2001041804(A1) |
申请公布日期 |
2001.11.15 |
申请号 |
US20010801092 |
申请日期 |
2001.03.08 |
申请人 |
MAASSEN RALF;KRILL STEFFEN |
发明人 |
MAASSEN RALF;KRILL STEFFEN |
分类号 |
C07B61/00;C07C46/08;C07C50/02;(IPC1-7):C07C50/04 |
主分类号 |
C07B61/00 |
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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