RU2009124620A - METHOD FOR PRODUCING PHOSPHONOMETHYLGLYCIN - Google Patents
METHOD FOR PRODUCING PHOSPHONOMETHYLGLYCIN Download PDFInfo
- Publication number
- RU2009124620A RU2009124620A RU2009124620/04A RU2009124620A RU2009124620A RU 2009124620 A RU2009124620 A RU 2009124620A RU 2009124620/04 A RU2009124620/04 A RU 2009124620/04A RU 2009124620 A RU2009124620 A RU 2009124620A RU 2009124620 A RU2009124620 A RU 2009124620A
- Authority
- RU
- Russia
- Prior art keywords
- phosphonomethyliminodiacetic acid
- oxide
- reaction mass
- homogeneous
- catalyst
- Prior art date
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Abstract
Способ получения глифосата путем окисления фосфонометилиминодиуксусной кислоты эквивалентным количеством перекиси водорода в водной среде в присутствии гомогенного катализатора вольфрамата натрия с образованием промежуточной N-окиси фосфонометилиминодиуксусной кислоты с последующим ее разложением в присутствии гомогенного катализатора ванадил сульфата и выделением из реакционной массы фильтрацией целевого продукта, отличающийся тем, что к N-окиси фосфонометилиминодиуксусной кислоты добавляют метанол до концентрации его 30-70 об.% в реакционной массе. The method of producing glyphosate by oxidizing phosphonomethyliminodiacetic acid with an equivalent amount of hydrogen peroxide in an aqueous medium in the presence of a homogeneous sodium tungstate catalyst with the formation of intermediate N-oxide phosphonomethyliminodiacetic acid with its subsequent decomposition in the presence of a homogeneous vanadyl sulfate catalyst and isolating the target product from the reaction mass, characterized in that that methanol is added to phosphonomethyliminodiacetic acid N-oxide to a concentration of 30-70 vol.% in the reaction mass.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2009124620/04A RU2009124620A (en) | 2009-06-30 | 2009-06-30 | METHOD FOR PRODUCING PHOSPHONOMETHYLGLYCIN |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2009124620/04A RU2009124620A (en) | 2009-06-30 | 2009-06-30 | METHOD FOR PRODUCING PHOSPHONOMETHYLGLYCIN |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RU2009124620A true RU2009124620A (en) | 2011-01-10 |
Family
ID=44054109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2009124620/04A RU2009124620A (en) | 2009-06-30 | 2009-06-30 | METHOD FOR PRODUCING PHOSPHONOMETHYLGLYCIN |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2009124620A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111068497A (en) * | 2019-12-13 | 2020-04-28 | 湖北泰盛化工有限公司 | A kind of solvent methanol recovery device and method in glyphosate production |
-
2009
- 2009-06-30 RU RU2009124620/04A patent/RU2009124620A/en not_active Application Discontinuation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111068497A (en) * | 2019-12-13 | 2020-04-28 | 湖北泰盛化工有限公司 | A kind of solvent methanol recovery device and method in glyphosate production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FA92 | Acknowledgement of application withdrawn (lack of supplementary materials submitted) |
Effective date: 20110112 |