Title:
PROCESS FOR PURIFYING MESOTRIONE
Document Type and Number:
WIPO Patent Application WO2005035487
Kind Code:
A8
Abstract:
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.
Inventors:
WICHERT JULIE MARIE (US)
BENKE ALAN HENRY (US)
GUIDETTI-GREPT REGINE LAURE (CH)
BENKE ALAN HENRY (US)
GUIDETTI-GREPT REGINE LAURE (CH)
Application Number:
PCT/EP2004/010960
Publication Date:
July 13, 2006
Filing Date:
October 01, 2004
Export Citation:
Assignee:
SYNGENTA PARTICIPATIONS AG (CH)
WICHERT JULIE MARIE (US)
BENKE ALAN HENRY (US)
GUIDETTI-GREPT REGINE LAURE (CH)
WICHERT JULIE MARIE (US)
BENKE ALAN HENRY (US)
GUIDETTI-GREPT REGINE LAURE (CH)
International Classes:
C07C315/06; C07C315/04; C07C317/24
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