| 发明名称 |
Process for the preparation of 3-aryl-benzofuranones |
| 摘要 |
Process for the preparation of compounds of formula I wherein the general symbols are as defined in claim 1, which process comprises reacting a compound of formula V wherein the general symbols are as defined in claim 1, with carbon monoxide in the presence of a catalyst.
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| 申请公布号 |
US6989446(B2) |
申请公布日期 |
2006.01.24 |
| 申请号 |
US20020170658 |
申请日期 |
2002.06.12 |
| 申请人 |
CIBA SPECIALTY CHEMICALS CORP. |
发明人 |
TINKL MICHAEL;EVANS SAMUEL;NESVADBA PETER |
| 分类号 |
C07D221/12;C07B61/00;C07C49/603;C07C49/683;C07D239/72;C07D307/83;C07D307/91;C07D311/82;C07D475/00 |
主分类号 |
C07D221/12 |
| 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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