IE883838L - N-phosphonomethylglycine - Google Patents

N-phosphonomethylglycine

Info

Publication number
IE883838L
IE883838L IE883838A IE383888A IE883838L IE 883838 L IE883838 L IE 883838L IE 883838 A IE883838 A IE 883838A IE 383888 A IE383888 A IE 383888A IE 883838 L IE883838 L IE 883838L
Authority
IE
Ireland
Prior art keywords
phosphonomethylglycine
alkyl
hydrogen
acid
carbon atoms
Prior art date
Application number
IE883838A
Original Assignee
Barclay Intellectual Propertie
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Barclay Intellectual Propertie filed Critical Barclay Intellectual Propertie
Priority to IE883838A priority Critical patent/IE883838L/en
Priority to KR1019900701832A priority patent/KR910700255A/en
Priority to PCT/US1989/005711 priority patent/WO1990006929A1/en
Priority to EP19900902002 priority patent/EP0449987A1/en
Priority to AU48418/90A priority patent/AU620489B2/en
Priority to CA002006270A priority patent/CA2006270A1/en
Publication of IE883838L publication Critical patent/IE883838L/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C07F9/28—Phosphorus compounds with one or more P—C bonds
    • C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
    • C07F9/3804—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)] not used, see subgroups
    • C07F9/3808—Acyclic saturated acids which can have further substituents on alkyl
    • C07F9/3813—N-Phosphonomethylglycine; Salts or complexes thereof
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C07F9/28—Phosphorus compounds with one or more P—C bonds
    • C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

A process for the preparation of N-phosphonomethylglycine is disclosed which comprises preparing an N-alkyl-N-phosphonomethylglycine or its ester represented by formula (I), wherein R is an alkyl group represented by formula (Ia) and R<1>, R<2> and R<3> are indenpendently selected from the group consisting of hydrogen and alkyl having one to about four carbon atoms, and R<4>, R<5> and R<6> are independently selected from substituted and unsubstituted alkyl groups having from one to about six carbon atoms wherein any substitution on the alkyl group has electron withdrawing properties, and hydrogen, provided that R<4>, R<5> and R<6> cannot all be hydrogen; and thereafter treating the N-alkyl-N-phosphonomethylglycine with an acid, other than a hydrohalic acid, having a pKa value below about +3 in the presence of an organic acid to provide N-phosphonomethylglycine. [WO9006929A1]
IE883838A 1988-12-22 1988-12-22 N-phosphonomethylglycine IE883838L (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IE883838A IE883838L (en) 1988-12-22 1988-12-22 N-phosphonomethylglycine
KR1019900701832A KR910700255A (en) 1988-12-22 1989-12-20 Method for preparing N-phosphonomethylglycine
PCT/US1989/005711 WO1990006929A1 (en) 1988-12-22 1989-12-20 Process for the preparation of n-phosphonomethylglycine
EP19900902002 EP0449987A1 (en) 1988-12-22 1989-12-20 Process for the preparation of n-phosphonomethylglycine
AU48418/90A AU620489B2 (en) 1988-12-22 1989-12-20 Process for the preparation of n-phosphonomethylglycine
CA002006270A CA2006270A1 (en) 1988-12-22 1989-12-21 Process for the preparation of n-phosphonomethylglycine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IE883838A IE883838L (en) 1988-12-22 1988-12-22 N-phosphonomethylglycine

Publications (1)

Publication Number Publication Date
IE883838L true IE883838L (en) 1990-06-22

Family

ID=11039131

Family Applications (1)

Application Number Title Priority Date Filing Date
IE883838A IE883838L (en) 1988-12-22 1988-12-22 N-phosphonomethylglycine

Country Status (6)

Country Link
EP (1) EP0449987A1 (en)
KR (1) KR910700255A (en)
AU (1) AU620489B2 (en)
CA (1) CA2006270A1 (en)
IE (1) IE883838L (en)
WO (1) WO1990006929A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6054608A (en) * 1997-05-05 2000-04-25 Monsanto Company Method for preparing formylphosphonic acid
BR9806202B1 (en) * 1998-02-12 2009-12-01 process for manufacturing glyphosate, a glyphosate salt, or a glyphosate ester and oxidation catalyst.
DK1104427T3 (en) * 1998-08-12 2005-06-27 Monsanto Technology Llc Process for the preparation of N- (phosphonomethyl) glycine by oxidation of N-substituted N- (phosphonomethyl) glycine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3927080A (en) * 1974-09-03 1975-12-16 Monsanto Co Process for producing N-phosphonomethyl glycine
US4650613A (en) * 1984-12-28 1987-03-17 Monsanto Company Process for preparing N-phosphonomethylglycine and derivatives
US4851159A (en) * 1988-05-02 1989-07-25 Monsanto Company Process for the preparation of N- phosphonomethylglycine

Also Published As

Publication number Publication date
AU620489B2 (en) 1992-02-20
AU4841890A (en) 1990-07-10
WO1990006929A1 (en) 1990-06-28
CA2006270A1 (en) 1990-06-22
KR910700255A (en) 1991-03-14
EP0449987A1 (en) 1991-10-09

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