PROCESS FOR THE PRODUCTION OF N-/PHOSPHONO-METHYL/-GLYCINE

1. A process for the preparation of N-phosphonomethylglycine of the formula I see diagramm : EP0081459,P6,F1 by reacting aminomethanephosphonic acid of the formula II see diagramm : EP0081459,P6,F2 with glyoxal of the formula III OHC-CHO which process comprises carrying out the reaction in an aqueou...

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Bibliographic Details
Main Author MOSER,HANS,CH
Format Patent
LanguageEnglish
Published 29.09.1986
Edition4
Subjects
ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Summary:1. A process for the preparation of N-phosphonomethylglycine of the formula I see diagramm : EP0081459,P6,F1 by reacting aminomethanephosphonic acid of the formula II see diagramm : EP0081459,P6,F2 with glyoxal of the formula III OHC-CHO which process comprises carrying out the reaction in an aqueous medium, in the presence of sulfur dioxide, and isolating the resultant product.
Bibliography:Application Number: HU19820003873