WO1996001264A1 - Procede pour la production de derives d'acide phosphonique - Google Patents
Procede pour la production de derives d'acide phosphonique Download PDFInfo
- Publication number
- WO1996001264A1 WO1996001264A1 PCT/JP1995/001327 JP9501327W WO9601264A1 WO 1996001264 A1 WO1996001264 A1 WO 1996001264A1 JP 9501327 W JP9501327 W JP 9501327W WO 9601264 A1 WO9601264 A1 WO 9601264A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- molecules
- less
- phosphonomethyldaricinonitrile
- molecule
- metal hydroxide
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 19
- 150000003007 phosphonic acid derivatives Chemical class 0.000 title description 4
- 150000003839 salts Chemical class 0.000 claims abstract description 26
- 238000006243 chemical reaction Methods 0.000 claims description 30
- 238000004519 manufacturing process Methods 0.000 claims description 23
- 238000006460 hydrolysis reaction Methods 0.000 claims description 19
- 239000003513 alkali Substances 0.000 claims description 18
- 230000007062 hydrolysis Effects 0.000 claims description 18
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 16
- MGRVRXRGTBOSHW-UHFFFAOYSA-N (aminomethyl)phosphonic acid Chemical compound NCP(O)(O)=O MGRVRXRGTBOSHW-UHFFFAOYSA-N 0.000 claims description 14
- LTYRAPJYLUPLCI-UHFFFAOYSA-N glycolonitrile Chemical compound OCC#N LTYRAPJYLUPLCI-UHFFFAOYSA-N 0.000 claims description 9
- JMANVNJQNLATNU-UHFFFAOYSA-N glycolonitrile Natural products N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 229910000000 metal hydroxide Inorganic materials 0.000 claims description 8
- 150000004692 metal hydroxides Chemical class 0.000 claims description 8
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 claims description 7
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- -1 alkyl cation Chemical class 0.000 claims description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims 1
- 230000003301 hydrolyzing effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims 1
- 238000002955 isolation Methods 0.000 claims 1
- 230000003472 neutralizing effect Effects 0.000 claims 1
- 229920000642 polymer Polymers 0.000 claims 1
- XDDAORKBJWWYJS-UHFFFAOYSA-N glyphosate Chemical compound OC(=O)CNCP(O)(O)=O XDDAORKBJWWYJS-UHFFFAOYSA-N 0.000 abstract description 15
- 230000002363 herbicidal effect Effects 0.000 abstract description 7
- 239000004009 herbicide Substances 0.000 abstract description 5
- 239000006227 byproduct Substances 0.000 abstract description 3
- 238000005904 alkaline hydrolysis reaction Methods 0.000 abstract 1
- DFNYGALUNNFWKJ-UHFFFAOYSA-N aminoacetonitrile Chemical compound NCC#N DFNYGALUNNFWKJ-UHFFFAOYSA-N 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 39
- 239000000243 solution Substances 0.000 description 27
- 239000002994 raw material Substances 0.000 description 9
- 150000001768 cations Chemical class 0.000 description 8
- 238000004128 high performance liquid chromatography Methods 0.000 description 8
- 230000035484 reaction time Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 238000010992 reflux Methods 0.000 description 5
- 238000001035 drying Methods 0.000 description 4
- 239000005562 Glyphosate Substances 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 3
- 239000000920 calcium hydroxide Substances 0.000 description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 3
- 229940097068 glyphosate Drugs 0.000 description 3
- JJWLVOIRVHMVIS-UHFFFAOYSA-N isopropylamine Chemical class CC(C)N JJWLVOIRVHMVIS-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000000872 buffer Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- IVVMYMCCLPZNRL-UHFFFAOYSA-N hydrazinylphosphonic acid Chemical compound NNP(O)(O)=O IVVMYMCCLPZNRL-UHFFFAOYSA-N 0.000 description 2
- 239000005457 ice water Substances 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 125000002560 nitrile group Chemical group 0.000 description 2
- 150000002825 nitriles Chemical class 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- NRZWQKGABZFFKE-UHFFFAOYSA-N trimethylsulfonium Chemical class C[S+](C)C NRZWQKGABZFFKE-UHFFFAOYSA-N 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical class CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 150000005325 alkali earth metal hydroxides Chemical class 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 125000005210 alkyl ammonium group Chemical group 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 229940042400 direct acting antivirals phosphonic acid derivative Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- RUCAXVJJQQJZGU-UHFFFAOYSA-M hydron;2-(phosphonatomethylamino)acetate;trimethylsulfanium Chemical class C[S+](C)C.OP(O)(=O)CNCC([O-])=O RUCAXVJJQQJZGU-UHFFFAOYSA-M 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- VQBIMXHWYSRDLF-UHFFFAOYSA-M sodium;azane;hydrogen carbonate Chemical compound [NH4+].[Na+].[O-]C([O-])=O VQBIMXHWYSRDLF-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- CRCTVNZEEIPCLD-UHFFFAOYSA-N trimethylphosphanium;hydroxide Chemical compound O.CP(C)C CRCTVNZEEIPCLD-UHFFFAOYSA-N 0.000 description 1
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
Definitions
- the present invention relates to a method for producing N-phosphonomethyldaricin, a phosphonic acid derivative useful as a herbicide or a raw material of a herbicide, and a salt thereof.
- N-phosphonomethyldaricin and its salts such as daliphosate, daliphosate sodium salt, daliphosate ammonium, daliphosate-monodimethylamine, glyphosate-tridimethyl salt (Su Ifosate), daliphosamine etc. It is biodegradable, is effective as a herbicide in small amounts, is widely used, or its effectiveness is being investigated.
- N-phosphonomethyldaricin There are many known methods for producing N-phosphonomethyldaricin, but there is a method using N-phosphonomethylglycinonitrile as a raw material or intermediate, and hydrolyzes the nitrile group of N-phosphonomethyl tylaricinonitrile. By doing so, it can be converted to the desired N-phosphonomethyldaricin.
- Examples of the method for producing N-phosphonomethyldaricinonitrile include, for example, Japanese Patent Publication No. 60-48040, Japanese Patent Application Laid-Open No. Hei 4-279595, and US Pat. No. 4,221,833. Etc. are described.
- Japanese Patent Application Laid-Open No. Hei 4-279955 discloses that the reaction between aminomethylphosphonic acid and glycolonitrile is carried out by adding at least two times the molar amount of aluminum hydroxide to aminomethylphosphonic acid.
- the description states that hydrolysis is carried out by further adding an alkali metal hydroxide in an amount sufficient to neutralize the carboxylic acid generated by hydrolysis of the nitrile group of the obtained N-phosphonomethyldaricinonitrile. Have been.
- N-phosphonomethyldaricinonitrile In order to isolate N-phosphonomethyldaricin from the solution, a method of neutralization with an acid is used. As a result, there is a by-product of salt due to the use of an alkali metal hydroxide. Costly and labor intensive.
- An object of the present invention is to provide an alkaline metal hydroxide or an alkaline metal hydroxide, which is a major problem in the production of N-phosphonomethyldaricin by the hydrolysis of N-phosphonomethyldalinonitrile.
- the use of alkaline metal such as earth metal hydroxide reduces salt by-products, achieves high purity and high yield, and is industrially advantageous for N-phosphonomethyldaricin. It is to provide a manufacturing method. Disclosure of the invention
- the method for producing a phosphonic acid derivative of the present invention is characterized in that the alkali cation is 2 or more and less than 3 when the alkali cation is monovalent with respect to one molecule of N-phosphonomethyldaricinonitrile.
- hydrolysis is carried out using an alcohol so that one or more molecules are less than 1.5 molecules to obtain N-phosphonomethyldaricin or a salt thereof.
- an alkali metal hydroxide or an alkaline earth metal hydroxide is preferably used.
- N-phosphonomethyldaricinonitrile 1 It is desirable to use 2 or more and less than 3 molecules, preferably 2.1 or more and less than 2.7 molecules per molecule.
- an alkaline earth metal hydroxide one molecule or more and less than 1.5 molecules, preferably 1.05 or more and 1.35 to one molecule of N-phosphonomethyldaricinonitrile are used. It is desirable to use less than the molecule.
- the present invention relates to aminoaminophosphonic acid and glycolonitrile, which are 1.5 to less than 2.5 molecules when the alkali cation is monovalent with respect to 1 molecule of the aminomethylphosphonic acid, and 0.75 molecules when divalent.
- the first step in which the reaction is carried out in the presence of less than 1.25 molecules of alkali, and the carboxylic acid formed in the first step is isolated without isolating the N-phosphonomethyldaricino nitrile obtained in the first step.
- N-phosphonomethyldaricin or a salt thereof comprising a second step of hydrolysis with sufficient alcohol to make
- the total amount of alkali used in the first step and the second step is 1-valent N-phosphonomethyl taliricinonitrile
- the total amount of alkali cation is 2 or more and less than 3 molecules
- 2-valent N-phosphonomethylglycine or a salt thereof is obtained by reacting at least one molecule to less than 1.5 molecules.
- the present inventors have conducted various studies on a method for producing N-phosphonomethyldaricinyl by the hydrolysis of N-phosphonomethyldaricinonitrile, and as a result, surprisingly, Hydrolysis proceeds with the addition of less than 3 alkali metal hydroxides or less than 1.5 alkali metal hydroxides per molecule of nomethyldaricinonitrile, resulting in high yields.
- the present inventors have found that N-phosphonomethylglycine of high purity can be obtained, and completed the present invention.
- the N-phosphonomethyldaricinonitrile used in the present invention is not particularly limited.
- Japanese Patent Publication No. 60-48040, Japanese Patent Application Laid-Open No. 2799595, U.S. Pat. Those obtained by the production method described in, for example, No. 2 158 3 can be used.
- the alkali used in the present invention is preferably an alkali metal hydroxide such as sodium hydroxide or the like, or an alkaline earth metal hydroxide such as calcium hydroxide.
- ammonium hydroxide, carbonate An aluminum salt exhibiting an alkaline property can be used in an aqueous solution of sodium, sodium ammonium carbonate, sodium hydrogen carbonate, or the like.
- alkali metal hydroxide used in the present invention sodium hydroxide and potassium hydroxide are preferable from an economic viewpoint.
- examples of the alkaline earth metal hydroxide include magnesium hydroxide and calcium hydroxide. Further, an alkali metal hydroxide and an alkali earth metal hydroxide can be used in combination so that the above-mentioned amount is added.
- the alkali cation when the alkali cation is monovalent with respect to one molecule of N-phosphonomethyldaricinonitrile, two or more but less than three molecules, preferably 2.1 or more and less than 2.7 molecules of the alkali cation are used.
- the alkali cation is divalent, the alkali cation is at least one molecule and less than 1.5 molecules, preferably at least 1.05 molecules and less than 1.35 molecules. And hydrolyze.
- the reaction rate is extremely small and not practical. Absent.
- the number is close to 3 molecules or 1.5 molecules, respectively, the economic effect of reducing the amount of by-produced salt, which is the object of the present invention, is reduced. Therefore, the addition amount of the alkaline metal hydroxide or alkaline earth metal hydroxide is 2 to less than 3 molecules and 1 to 1 molecule, respectively, with respect to N-phosphonomethyldaricinonitrile. It is less than 5 molecules, preferably 2.1 or more and less than 2.7, and 1.05 or more and less than 1.35.
- the reaction may be performed in an open system or a closed system.
- the reaction temperature is from 60 to the boiling point, and the reaction time is about 5 to 20 hours, depending on the amount of the reactor and the reaction temperature.
- the reaction temperature is carried out at 6 O 'C or higher, the reaction time than the case of c closed system is an amount between 5 to 5 hours about 0.1 depending on the reaction temperature of the alkali is open system It is presumed that the short reaction time was caused not only by the fact that the reaction temperature could be raised but also by the fact that the ammonia generated by the hydrolysis of nitrile did not escape to the outside of the system, so that the pH of the reaction solution was kept high. Therefore, the reaction time can be shortened in a closed system.
- N-phosphonomethyldaricinine thus obtained is 90% or more based on N-phosphonomethyldaricinonitrile.
- N-phosphonomethyldaricin can be easily isolated by acid precipitation. Alternatively, it can be isolated and purified by other conventional means such as an ion exchange resin alone or in combination, or can be further purified by recrystallization.
- amino-methylphosphonic acid and glocoronitrile are used as N-phosphonomethyldaricinonitrile, and when the alkali is monovalent with respect to one molecule of the aminomethylphosphonic acid, 1.5 to less than 2.5 molecules, in the case of divalent 0.75 to less than 1.25 molecules.
- the product is further hydrolyzed by addition of alcohol to obtain the desired N-phosphonomethyldaricin or a salt thereof. You can also.
- the alkali when the total amount of alcohol used is one molecule of N-phosphonomethyldarininonitrile, if the alkali is monovalent, it is 2 to less than 3 molecules, and the alkali is divalent. In this case, the number of molecules is one or more and less than 1.5.
- the alkali salt of N-phosphonomethyldaricin obtained by the hydrolysis of N-phosphonomethyldaricin of the present invention can be converted into the free acid N-phosphonomethyldaricin by a conventional method, for example, by using a mineral acid.
- Alkyl ammonium salts dimethylammonium salt, isobutyl pyrammonium salt, etc.
- alkylsulfonium salts trimethylsulfonium salt, etc.
- the desired salt can be easily produced by methods such as No. 758, No. 3, 977.680, and European Patent No. 369,076.
- isopropylamine salt of N-phosphonomethylglycine is obtained by stirring and reacting equimolar isopropylamine in which N-phosphonomethyldaricin is dissolved in water at about room temperature, heating under reduced pressure, concentrating, and drying.
- the trimethylsulfonium salt of N-phosphonomethyldaricin obtained as a crystalline solid can be obtained by using trimethylphosphonium hydroxide instead of isopropylamine.
- glyphosate, daliphosate-sodium salt, glyphosate 'ammonium, glyphosate' monodimethylamine, glyphosate trimesium salt, glyphosamine can be produced, for example.
- the reaction solution was concentrated to about half the volume, neutralized to pH 1 with concentrated hydrochloric acid, and left overnight to crystallize N-phosphonomethylglycine.
- the crystallized N-phosphonomethylglycine was filtered off. The weight after washing with water and drying was 13.0 g, and the purity determined by HP LC was 98%.
- Example 3 The procedure was performed in the same manner as in Example 1 except that the amount of 48% sodium hydroxide was 20.0 g (240 mmo 1) and the reaction time was 1 hour. The solution after the reaction was analyzed by HPLC, and the yield of N-phosphonomethylglycine was 95% based on the raw material N-phosphonomethyldalicinonitrile. The pH of this solution was 10.4 ⁇ (Example 3)
- Example 4 The procedure was performed in the same manner as in Example 1 except that the amount of 48% sodium hydroxide was 22.5 g (27 Ommo 1) and the reaction time was 12 hours. The solution after the completion of the reaction was analyzed by HPLC, and the yield of N-phosphonomethyldaricinine was 92% based on the raw material N-phosphonomethyldaricinoetrile. The pH of this solution was 10.9 c (Example 4)
- a stirrer, a thermometer, a dropping funnel and a reflux condenser were attached to a 2-OO ml four-neck flask.
- the pH at this time was 13.1.
- a stirrer, thermometer, dropping funnel and reflux condenser were attached to a 20 Oml four-neck flask.
- N-phosphonomethyldaricin or a salt thereof is produced by hydrolysis of N-phosphonomethylglycinonitrile, and these are simply produced. The amount of by-produced salt upon separation can be reduced. Further, high-purity N-phosphonomethyldaricin or a salt thereof can be obtained in a high yield.
- N-phosphonomethyldaricin or a salt thereof produced by the production method of the present invention has biodegradability and an excellent herbicidal effect, and is widely used as a herbicide or a raw material thereof. According to the production method of the present invention, this N-phosphonomethylglycine or a salt thereof can be obtained with high yield and high purity, and the amount of by-produced salt can be reduced.
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- 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)
- Agricultural Chemicals And Associated Chemicals (AREA)
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK95923574T DK0717046T3 (da) | 1994-07-01 | 1995-07-03 | Fremgangsmåde til fremstilling af phosphonsyrederivater |
US08/605,056 US5679844A (en) | 1994-07-01 | 1995-07-03 | Manufacturing method for phosphonic acid derivatives |
EP95923574A EP0717046B1 (en) | 1994-07-01 | 1995-07-03 | Process for producing phosphonic acid derivative |
AU28083/95A AU675393B2 (en) | 1994-07-01 | 1995-07-03 | Process for producing phosphonic acid derivative |
JP50378396A JP3795077B2 (ja) | 1994-07-01 | 1995-07-03 | ホスホン酸誘導体の製造方法 |
DE69523265T DE69523265T2 (de) | 1994-07-01 | 1995-07-03 | Verfahren zur herstellung von phosphonsäure-derivaten |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15100494 | 1994-07-01 | ||
JP6/151004 | 1994-07-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996001264A1 true WO1996001264A1 (fr) | 1996-01-18 |
Family
ID=15509191
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1995/001327 WO1996001264A1 (fr) | 1994-07-01 | 1995-07-03 | Procede pour la production de derives d'acide phosphonique |
Country Status (8)
Country | Link |
---|---|
US (1) | US5679844A (ja) |
EP (1) | EP0717046B1 (ja) |
JP (1) | JP3795077B2 (ja) |
AU (1) | AU675393B2 (ja) |
DE (1) | DE69523265T2 (ja) |
DK (1) | DK0717046T3 (ja) |
ES (1) | ES2162924T3 (ja) |
WO (1) | WO1996001264A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5750774A (en) * | 1996-03-11 | 1998-05-12 | Showa Denko K.K. | Method for producing N-phosphonomethylglycine |
EP0816369B1 (en) * | 1996-06-21 | 2003-02-26 | Showa Denko Kabushiki Kaisha | Method for producing N-phosphonomethylglycine |
CA2276158A1 (en) * | 1996-12-30 | 1998-07-09 | Monsanto Company | Method for preparing cyanophosphonate derivatives from phosphoric anhydride and cyanide |
CN1075507C (zh) * | 1999-11-08 | 2001-11-28 | 浙江新安化工集团股份有限公司 | 草甘膦酸合成中水解辅续工序 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4993323A (ja) * | 1972-11-08 | 1974-09-05 | ||
US4221583A (en) * | 1978-12-22 | 1980-09-09 | Monsanto Company | N-Phosphonomethylglycinonitrile and certain derivatives thereof |
JPH04279595A (ja) * | 1991-03-05 | 1992-10-05 | Showa Denko Kk | N−ホスホノメチルグリシンの製造方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3799758A (en) * | 1971-08-09 | 1974-03-26 | Monsanto Co | N-phosphonomethyl-glycine phytotoxicant compositions |
US3977860A (en) * | 1971-08-09 | 1976-08-31 | Monsanto Company | Herbicidal compositions and methods employing esters of N-phosphonomethylglycine |
US4415503A (en) * | 1982-09-28 | 1983-11-15 | Stauffer Chemical Company | Method for preparation of N-phosphonomethylglycine |
JPS604840A (ja) * | 1983-06-22 | 1985-01-11 | Agency Of Ind Science & Technol | 流体検出装置 |
JP3189252B2 (ja) * | 1991-07-26 | 2001-07-16 | ソニー株式会社 | 画像データエンコーダおよびデコーダ |
JP2525977B2 (ja) * | 1991-10-17 | 1996-08-21 | 昭和電工株式会社 | N−アシルアミノメチルホスホン酸の製造法 |
-
1995
- 1995-07-03 US US08/605,056 patent/US5679844A/en not_active Expired - Lifetime
- 1995-07-03 ES ES95923574T patent/ES2162924T3/es not_active Expired - Lifetime
- 1995-07-03 DK DK95923574T patent/DK0717046T3/da active
- 1995-07-03 EP EP95923574A patent/EP0717046B1/en not_active Expired - Lifetime
- 1995-07-03 WO PCT/JP1995/001327 patent/WO1996001264A1/ja active IP Right Grant
- 1995-07-03 JP JP50378396A patent/JP3795077B2/ja not_active Expired - Lifetime
- 1995-07-03 DE DE69523265T patent/DE69523265T2/de not_active Expired - Lifetime
- 1995-07-03 AU AU28083/95A patent/AU675393B2/en not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4993323A (ja) * | 1972-11-08 | 1974-09-05 | ||
US4221583A (en) * | 1978-12-22 | 1980-09-09 | Monsanto Company | N-Phosphonomethylglycinonitrile and certain derivatives thereof |
JPH04279595A (ja) * | 1991-03-05 | 1992-10-05 | Showa Denko Kk | N−ホスホノメチルグリシンの製造方法 |
Non-Patent Citations (1)
Title |
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See also references of EP0717046A4 * |
Also Published As
Publication number | Publication date |
---|---|
ES2162924T3 (es) | 2002-01-16 |
EP0717046A4 (ja) | 1996-06-26 |
DE69523265D1 (de) | 2001-11-22 |
JP3795077B2 (ja) | 2006-07-12 |
EP0717046A1 (en) | 1996-06-19 |
AU2808395A (en) | 1996-01-25 |
AU675393B2 (en) | 1997-01-30 |
US5679844A (en) | 1997-10-21 |
DE69523265T2 (de) | 2002-07-04 |
DK0717046T3 (da) | 2001-11-26 |
EP0717046B1 (en) | 2001-10-17 |
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