| 发明名称 |
Process for preparing 3-isochromanone |
| 摘要 |
A process for the preparation of 3-isochromanone which comprises contacting an o-xylene-alpha,alpha'-dihalide with carbon monoxide, in the presence of a catalyst and a hindered amine base in a liquid medium comprising water and a tertiary alcohol.
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| 申请公布号 |
US6888008(B2) |
申请公布日期 |
2005.05.03 |
| 申请号 |
US20010810458 |
申请日期 |
2001.03.16 |
| 申请人 |
SYNGENTA LIMITED |
发明人 |
JONES RAYMOND VINCENT HEAVON;WHITTON ALAN JOHN;WHITE JENNIFER ANN;RITCHIE DAVID JOHN;FIELDHOUSE ROBIN;MACCORMICK KIRSTIN;NISBET LOGAN THOMSON;EVANS PAUL RICHARD;BENNIE COLIN JOHN |
| 分类号 |
B01J31/28;C07B61/00;C07D311/76;(IPC1-7):C07D311/74 |
主分类号 |
B01J31/28 |
| 代理机构 |
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