ZA733705B - Process for producing n-phosphonomethyl glycine - Google Patents
Process for producing n-phosphonomethyl glycineInfo
- Publication number
- ZA733705B ZA733705B ZA733705A ZA733705A ZA733705B ZA 733705 B ZA733705 B ZA 733705B ZA 733705 A ZA733705 A ZA 733705A ZA 733705 A ZA733705 A ZA 733705A ZA 733705 B ZA733705 B ZA 733705B
- Authority
- ZA
- South Africa
- Prior art keywords
- producing
- phosphonomethyl glycine
- phosphonomethyl
- glycine
- Prior art date
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 System
- 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, i.e. RP(=X)(XH)2 (X = S, Se)
- C07F9/3804—Phosphonic acids RP(=O)(OH)2; Thiophosphonic acids, i.e. RP(=X)(XH)2 (X = S, Se) not used, see subgroups
- C07F9/3808—Acyclic saturated acids which can have further substituents on alkyl
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/258,281 US3954848A (en) | 1972-05-31 | 1972-05-31 | Process for producing N-phosphonomethyl glycine |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA733705B true ZA733705B (en) | 1974-04-24 |
Family
ID=22979895
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA733705A ZA733705B (en) | 1972-05-31 | 1973-05-30 | Process for producing n-phosphonomethyl glycine |
Country Status (4)
Country | Link |
---|---|
US (1) | US3954848A (xx) |
AT (1) | AT327946B (xx) |
BR (1) | BR7303990D0 (xx) |
ZA (1) | ZA733705B (xx) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4072706A (en) * | 1976-01-02 | 1978-02-07 | Monsanto Company | Oxidation of phosphonomethylamines |
US4454043A (en) * | 1980-11-17 | 1984-06-12 | Monsanto Company | Column switching procedure |
IL66824A0 (en) * | 1982-06-25 | 1982-12-31 | Geshuri Lab Ltd | Process for producing n-phosphonomethylglycine derivatives and herbicidal compounds and compositions prepared thereby |
US4442041A (en) * | 1982-06-30 | 1984-04-10 | Stauffer Chemical Company | Method for preparation of N-phosphonomethylglycine |
IL68716A (en) * | 1983-05-17 | 1987-03-31 | Geshuri Lab Ltd | Process for producing n-phosphonomethylglycine |
US4582650A (en) * | 1985-02-11 | 1986-04-15 | Monsanto Company | Oxidation with encapsulated co-catalyst |
US4579689A (en) * | 1985-02-11 | 1986-04-01 | Monsanto Company | Oxidation with coated catalyst |
US4898972A (en) * | 1988-09-26 | 1990-02-06 | Monsanto Company | Process for producing N-phosphonomethylglycine |
HU204533B (en) * | 1988-11-02 | 1992-01-28 | Nitrokemia Ipartelepek | Process for producing n-phosphono-methyl-glycine |
US4937376A (en) * | 1989-05-25 | 1990-06-26 | Monsanto Company | Process for producing N-phosphonomethylglycine |
US4952723A (en) * | 1989-07-31 | 1990-08-28 | Monsanto Company | Process for producing N-phosphonomethylglycine |
US5047579A (en) * | 1990-01-26 | 1991-09-10 | Monsanto Company | Process for producing n-phosphonomethylglycine |
IE74198B1 (en) * | 1990-01-26 | 1997-07-16 | Monsanto Co | Process for producing N-phosphonomethylglycine |
US5043475A (en) * | 1990-06-25 | 1991-08-27 | Monsanto Company | Peroxide process for producing N-phosphonomethylglycine |
US5077431A (en) * | 1990-06-25 | 1991-12-31 | Monsanto Company | Peroxide process for producing n-phosphonomethylglycine |
US5095140A (en) * | 1990-06-25 | 1992-03-10 | Monsanto Company | Peroxide process for producing N-phosphonomethylglycine |
US5077430A (en) * | 1990-06-25 | 1991-12-31 | Monsanto Company | Peroxide process for producing N-phosphonomethylglycine |
US5023369A (en) * | 1990-06-25 | 1991-06-11 | Monsanto Company | Process for producing N-phosphonomethylglycine |
US5061820A (en) * | 1990-10-22 | 1991-10-29 | Monsanto Company | Process for producing N-phosphonomethylgylcine |
US5072033A (en) * | 1990-12-11 | 1991-12-10 | Monsanto Company | Process for producing N-phosphonomethylglycine |
US6365772B1 (en) | 1995-05-30 | 2002-04-02 | Hampshire Chemical Corp. | Facile synthesis of phosphonomethylglycine from phosphonomethyliminodiacetic acid |
EP0833831B1 (en) * | 1995-06-07 | 2002-02-13 | Monsanto Technology LLC | Process for preparing n-phosphonomethyliminodiacetic acid |
ATE325799T1 (de) * | 1998-02-12 | 2006-06-15 | Monsanto Technology Llc | Verfahren zur herstellung von glyphosat durch oxidation von n-substituierten glyphosaten |
US6232494B1 (en) | 1998-02-12 | 2001-05-15 | Monsanto Company | Process for the preparation of N-(phosphonomethyl)glycine by oxidizing N-substituted N-(phosphonomethyl)glycine |
US6417133B1 (en) | 1998-02-25 | 2002-07-09 | Monsanto Technology Llc | Deeply reduced oxidation catalyst and its use for catalyzing liquid phase oxidation reactions |
IES980552A2 (en) | 1998-07-09 | 1999-08-11 | Agritech Chemical Ltd | Improved process for preparing N-phosphonomethyl iminodiacetic acid |
BR9907000A (pt) * | 1998-09-08 | 2000-09-26 | Hampshire Chemical Corp | Sìntese de ácido fosfonometiliminodiacético com efluente reduzido |
US6867326B1 (en) | 1999-07-23 | 2005-03-15 | Basf Aktiengesellschaft | Method of producing glyphosate or a salt thereof |
EP1200450B1 (de) | 1999-08-11 | 2003-11-12 | Basf Aktiengesellschaft | Verfahren zur herstellung von phosphonomethylglycin |
CN102250141B (zh) * | 2000-05-22 | 2014-10-01 | 孟山都技术有限责任公司 | 制备n-(膦酰基甲基)甘氨酸化合物的反应系统 |
WO2006031938A2 (en) * | 2004-09-15 | 2006-03-23 | Monsanto Technology Llc | Oxidation catalyst and its use for catalyzing liquid phase oxidation reactions |
US8252953B2 (en) * | 2008-05-01 | 2012-08-28 | Monsanto Technology Llc | Metal utilization in supported, metal-containing catalysts |
CN101481386B (zh) * | 2008-11-27 | 2011-09-21 | 浙江新安化工集团股份有限公司 | 一种草甘膦的制备方法 |
CN101481387B (zh) * | 2008-11-27 | 2012-02-01 | 浙江新安化工集团股份有限公司 | 一种催化氧化合成草甘膦的制备方法 |
US20110071027A1 (en) * | 2009-09-18 | 2011-03-24 | Volker Heide | High strength aqueous glyphosate salt concentrates and methods |
CN103044486A (zh) * | 2013-01-02 | 2013-04-17 | 北京化工大学 | 一种直接氧化双甘膦制备草甘膦的方法 |
US9035083B2 (en) | 2013-04-05 | 2015-05-19 | Texas Christian University | Synthesis of H-phosphonate intermediates and their use in preparing the herbicide glyphosate |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA775575A (en) * | 1961-11-13 | 1968-01-09 | R. Irani Riyad | Organic phosphorus compounds |
US3429914A (en) * | 1964-09-03 | 1969-02-25 | Monsanto Co | Organo-phosphono-amine oxides |
DE2132511C3 (de) * | 1971-06-30 | 1974-06-27 | Joh. A. Benckiser Gmbh, 6700 Ludwigshafen | Verfahren zur Herstellung von Aminomethylenphosphonsäuren |
-
1972
- 1972-05-31 US US05/258,281 patent/US3954848A/en not_active Expired - Lifetime
-
1973
- 1973-05-29 BR BR3990/73A patent/BR7303990D0/pt unknown
- 1973-05-30 AT AT477373A patent/AT327946B/de not_active IP Right Cessation
- 1973-05-30 ZA ZA733705A patent/ZA733705B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
US3954848A (en) | 1976-05-04 |
AT327946B (de) | 1976-02-25 |
ATA477373A (de) | 1975-05-15 |
BR7303990D0 (pt) | 1974-07-18 |
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