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公开(公告)号：BG106388A
公开(公告)日：2002-08-30
申请号：BG10638802
申请日：2002-02-05
Applicant: BASF AG
Inventor： AUST NICOLA C , BUTZ THOMAS , FISCHER MARTIN
Abstract: The invention relates to a method for producing phosphonomethylglycin, by bringing together in a reaction space N-phosmonomethyl iminodiacetic acid-N-oxide and a catalytic quantity of at least one of the following catalysts: thionyl halogenide, diathionite of ammonium or an alkali metal, a dialkylsulphite, sulphur dichloride, sulphurous acid, sulphur dioxide. The dosage of the N-phosphonomethyl iminodiacetic acid-N-oxide will be such that at least 50% of the N-oxide put in the reaction space will be transformed. 12 claims
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