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公开(公告)号:EP1682497B1
公开(公告)日:2015-12-02
申请号:EP04765733.3
申请日:2004-10-01
发明人: WICHERT, Julie Marie, Syngenta AG Products , BENKE, Alan Henry, Syngenta AG Products , GUIDETTI-GREPT, Regine Laure
IPC分类号: C07C315/06 , C07C317/24 , C07C315/04
CPC分类号: C07C315/04 , C07C315/06 , C07C317/24
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公开(公告)号:EP1682497A1
公开(公告)日:2006-07-26
申请号:EP04765733.3
申请日:2004-10-01
发明人: WICHERT, Julie Marie, Syngenta AG Products , BENKE, Alan Henry, Syngenta AG Products , GUIDETTI-GREPT, Regine Laure
IPC分类号: C07C315/06 , C07C317/24
CPC分类号: C07C315/04 , C07C315/06 , C07C317/24
摘要: A process for reducing the levels of undesirable impurities in a mesotrione sample is disclosed, said process comprising the steps of: (i) forming a mesotrione enolate solution in an aqueous solvent, (ii) carrying out one or more purification processes, and (iii) crystallising the purified mesotrione out of solution.
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