PREPARATION OF N-PHOSPHONO METHYL GLYCINE

A herbicidal compound, N-phosphonomethyl glycine is prepared by reacting 1,3,5-tricyanomethyl-hexahydro-1,3,5,-triazine with a dihydrocarbyl hydrogen phosphite in the presence of a catalyst such as a Lewis acid to form an ester of N-phosphonomethyl-glyconitrile which ester is thereafter hydrolyzed a...

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Bibliographische Detailangaben
1. Verfasser:	BARTON, JOHN E. D
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	A herbicidal compound, N-phosphonomethyl glycine is prepared by reacting 1,3,5-tricyanomethyl-hexahydro-1,3,5,-triazine with a dihydrocarbyl hydrogen phosphite in the presence of a catalyst such as a Lewis acid to form an ester of N-phosphonomethyl-glyconitrile which ester is thereafter hydrolyzed and the desired N-phosphonomethyl glycine is recovered.