JP5198457B2 - ハロゲン化4−アミノピコリン酸の改善された電気化学的還元 - Google Patents
ハロゲン化4−アミノピコリン酸の改善された電気化学的還元 Download PDFInfo
- Publication number
- JP5198457B2 JP5198457B2 JP2009531454A JP2009531454A JP5198457B2 JP 5198457 B2 JP5198457 B2 JP 5198457B2 JP 2009531454 A JP2009531454 A JP 2009531454A JP 2009531454 A JP2009531454 A JP 2009531454A JP 5198457 B2 JP5198457 B2 JP 5198457B2
- Authority
- JP
- Japan
- Prior art keywords
- cathode
- amino
- acid
- formula
- volts
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
- 230000009467 reduction Effects 0.000 title description 11
- JRZBTJVSAANBEV-UHFFFAOYSA-N 4-aminopyridine-2-carboxylic acid Chemical class NC1=CC=NC(C(O)=O)=C1 JRZBTJVSAANBEV-UHFFFAOYSA-N 0.000 title description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 63
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 21
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 14
- 229910052709 silver Inorganic materials 0.000 claims description 14
- 239000004332 silver Substances 0.000 claims description 14
- 239000002253 acid Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 239000011780 sodium chloride Substances 0.000 claims description 11
- 229910052801 chlorine Inorganic materials 0.000 claims description 10
- 229910052794 bromium Inorganic materials 0.000 claims description 9
- NQQVFXUMIDALNH-UHFFFAOYSA-N picloram Chemical compound NC1=C(Cl)C(Cl)=NC(C(O)=O)=C1Cl NQQVFXUMIDALNH-UHFFFAOYSA-N 0.000 claims description 9
- 238000002048 anodisation reaction Methods 0.000 claims description 8
- 229910021607 Silver chloride Inorganic materials 0.000 claims description 7
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 6
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 5
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 4
- 229910001514 alkali metal chloride Inorganic materials 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 229910001513 alkali metal bromide Inorganic materials 0.000 claims description 3
- 229910052936 alkali metal sulfate Inorganic materials 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 229910052727 yttrium Inorganic materials 0.000 claims description 3
- 239000005595 Picloram Substances 0.000 claims description 2
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 238000005868 electrolysis reaction Methods 0.000 description 19
- 239000000243 solution Substances 0.000 description 18
- 239000000460 chlorine Substances 0.000 description 14
- 239000000047 product Substances 0.000 description 12
- 239000007858 starting material Substances 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 6
- 239000012141 concentrate Substances 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 230000004913 activation Effects 0.000 description 5
- 239000003792 electrolyte Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- WAIPAZQMEIHHTJ-UHFFFAOYSA-N [Cr].[Co] Chemical compound [Cr].[Co] WAIPAZQMEIHHTJ-UHFFFAOYSA-N 0.000 description 4
- NIXXQNOQHKNPEJ-UHFFFAOYSA-N aminopyralid Chemical compound NC1=CC(Cl)=NC(C(O)=O)=C1Cl NIXXQNOQHKNPEJ-UHFFFAOYSA-N 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- 239000006184 cosolvent Substances 0.000 description 4
- -1 hydroxyl ions Chemical class 0.000 description 4
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 description 4
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 239000012527 feed solution Substances 0.000 description 3
- 239000012065 filter cake Substances 0.000 description 3
- 238000004128 high performance liquid chromatography Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 230000003134 recirculating effect Effects 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 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 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 2
- 239000003518 caustics Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 150000002170 ethers Chemical class 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 150000003378 silver Chemical class 0.000 description 2
- 229910001923 silver oxide Inorganic materials 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000003115 supporting electrolyte Substances 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 238000005349 anion exchange Methods 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 150000001499 aryl bromides Chemical class 0.000 description 1
- 150000001500 aryl chlorides Chemical class 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 150000001649 bromium compounds Chemical class 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 238000005341 cation exchange Methods 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 230000002363 herbicidal effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000151 polyglycol Polymers 0.000 description 1
- 239000010695 polyglycol Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 1
- 229910001925 ruthenium oxide Inorganic materials 0.000 description 1
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/79—Acids; Esters
- C07D213/803—Processes of preparation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Pyridine Compounds (AREA)
Description
(式中、
XはCl又はBrを表し、
YはH、F、Cl、Br、又はC1−C4アルキルを表し、但しXがClの場合、YはBrではなく、
Rは独立にH又はC1−C4アルキルを表す)
の4−アミノ−3−ハロピコリン酸の改善された調製方法であって、
式II
(式中、
X、Y、及びRは前出の定義の通りであり、
両方のXがCl又はBrのいずれかである)
の4−アミノ−3,5−ジハロピコリン酸の溶液を介して、Ag/AgCl(3.0M Cl−)参照電極に対して−0.4から−1.7ボルトのカソード電位で、アノードからカソードに直流又は交流の電流が流され、式IIの4−アミノ−3,5−ジハロピコリン酸と、過剰のアルカリ金属水酸化物と、0.5から4重量%のアルカリ金属の塩化物、臭化物、又は硫酸塩との存在下でカソードが活性化されることを特徴とする方法に関する。
A)中和:
B)カソード反応:
C)アノード反応:
2(OH−)→1/2O2+H2O+2e−
D)全体の反応:
4リットル(L)フラスコに2400グラム(g)の熱水、250gの50重量%のNaOH、及び350gの未乾燥4−アミノ−3,5,6−トリクロロピリジン−2−カルボン酸(80%)を加えた。この溶液を30分(min)撹拌し、1ミクロンのポリプロピレンフィルムで濾過し、5Lの供給材料循環槽に移した。この溶液の重量は3000gであり9.3%の4−アミノ−3,5,6−トリクロロピリジン−2−カルボン酸及び2.0から2.5%の過剰のNaOHを含有した。
4リットル(L)フラスコに2400グラム(g)の熱水、250gの50重量%のNaOH、及び350gの未乾燥4−アミノ−3,5,6−トリクロロピリジン−2−カルボン酸(80%)を加えた。この溶液を30分(min)撹拌し、1ミクロンのポリプロピレンフィルムで濾過し、5Lの供給材料循環槽に移した。この溶液の重量は3000gであり9.3%の4−アミノ−3,5,6−トリクロロピリジン−2−カルボン酸及び2.0から2.5%の過剰のNaOHを含有した。
4リットル(L)フラスコに2370グラム(g)の熱水、250gの50重量%のNaOH、30gのNaCl、及び350gの未乾燥4−アミノ−3,5,6−トリクロロピリジン−2−カルボン酸(80%)を加えた。この溶液を30分(min)撹拌し、1ミクロンのポリプロピレンフィルムで濾過し、5Lの供給材料循環槽に移した。この溶液の重量は3000gであり9.3%の4−アミノ−3,5,6−トリクロロピリジン−2−カルボン酸、2.0から2.5%の過剰のNaOH、及び1.0%のNaClを含有した。
Claims (3)
- 式I
XはCl又はBrを表し、
YはH、F、Cl、Br、又はC1−C4アルキルを表し、但しXがClの場合、YはBrではなく、
Rは独立にH又はC1−C4アルキルを表す)
の4−アミノ−3−ハロピコリン酸の改善された調製方法であって、
式II
X、Y、及びRは前出の定義の通りであり、
両方のXがCl又はBrのいずれかである)
の4−アミノ−3,5−ジハロピコリン酸の溶液を介して、Ag/AgCl(3.0M Cl−)参照電極に対して−0.4から−1.7ボルトのカソード電位で、アノードからカソードに直流又は交流の電流が流され、
前記式IIの4−アミノ−3,5−ジハロピコリン酸と、1から4重量%過剰のアルカリ金属水酸化物と、0.5から4重量%のアルカリ金属の塩化物、臭化物、又は硫酸塩との存在下でカソードが活性化されることを特徴とする方法。 - 0.5から4重量%のNaClと、1から4重量%過剰のNaOHと、1から20重量%の式IIの4−アミノ−3,5−ジハロピコリン酸との存在下で、少なくとも+0.3から+0.7ボルトの電位で陽極させた後、極性を反転させることによって銀カソードが活性化される、請求項1に記載の方法。
- 前記式Iの4−アミノ−3−ハロピコリン酸がアミノピラリドであり、前記式IIの4−アミノ−3,5−ジハロピコリン酸がピクロラムである、請求項1に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US84941906P | 2006-10-04 | 2006-10-04 | |
US60/849,419 | 2006-10-04 | ||
PCT/US2007/021336 WO2008042429A1 (en) | 2006-10-04 | 2007-10-04 | Improved electrochemical reduction of halogenated 4-aminopicolinic acids |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010505846A JP2010505846A (ja) | 2010-02-25 |
JP5198457B2 true JP5198457B2 (ja) | 2013-05-15 |
Family
ID=38922740
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009531454A Active JP5198457B2 (ja) | 2006-10-04 | 2007-10-04 | ハロゲン化4−アミノピコリン酸の改善された電気化学的還元 |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP2069304B1 (ja) |
JP (1) | JP5198457B2 (ja) |
KR (1) | KR101433979B1 (ja) |
CN (1) | CN101522628B (ja) |
DE (1) | DE602007003749D1 (ja) |
TW (1) | TWI406849B (ja) |
WO (1) | WO2008042429A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2494095B1 (en) * | 2009-10-27 | 2014-04-23 | Dow AgroSciences LLC | Improved silver cathode activation |
CN104198642B (zh) * | 2014-09-18 | 2015-11-25 | 中华人民共和国南通出入境检验检疫局 | 一种大麦中氯氨吡啶酸农药残留的检测方法 |
CN105803481B (zh) * | 2016-03-22 | 2018-03-27 | 浙江埃森化学有限公司 | 一种催化电解制备4‑氨基‑3,6‑二氯吡啶‑2‑甲酸的方法 |
CN107778226B (zh) * | 2016-08-26 | 2019-07-02 | 利尔化学股份有限公司 | 一种4-氨基-3,6-二氯吡啶-2-甲酸的纯化方法 |
CN110195239B (zh) * | 2019-04-15 | 2020-08-14 | 浙江工业大学 | 一种多氯甲基吡啶衍生物电化学脱氯制备醛、酸的方法 |
CN110195238B (zh) * | 2019-04-15 | 2020-08-14 | 浙江工业大学 | 一种三氯甲基吡啶衍生物电化学脱氯制备酰胺的方法 |
CN116288430A (zh) * | 2023-02-01 | 2023-06-23 | 浙江工业大学 | 一种提高4-氨基-3,6-二氯吡啶甲酸电解合成效率的方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL195415B1 (pl) * | 2000-01-14 | 2007-09-28 | Dow Agrosciences | Sposób wytwarzania kwasu 4-amino-3-halopikolinowego |
BRPI0117327B8 (pt) * | 2000-01-14 | 2022-06-28 | Dow Agrosciences Llc | 4-aminopicolinatos, composição herbicida compreendendo os mesmos e método de controlar vegetação indesejável |
-
2007
- 2007-10-03 TW TW096137060A patent/TWI406849B/zh active
- 2007-10-04 WO PCT/US2007/021336 patent/WO2008042429A1/en active Application Filing
- 2007-10-04 EP EP07839249A patent/EP2069304B1/en active Active
- 2007-10-04 DE DE602007003749T patent/DE602007003749D1/de active Active
- 2007-10-04 CN CN2007800375087A patent/CN101522628B/zh active Active
- 2007-10-04 KR KR1020097006897A patent/KR101433979B1/ko active IP Right Grant
- 2007-10-04 JP JP2009531454A patent/JP5198457B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
CN101522628A (zh) | 2009-09-02 |
KR101433979B1 (ko) | 2014-08-25 |
CN101522628B (zh) | 2011-12-14 |
EP2069304A1 (en) | 2009-06-17 |
TW200831464A (en) | 2008-08-01 |
JP2010505846A (ja) | 2010-02-25 |
TWI406849B (zh) | 2013-09-01 |
WO2008042429A1 (en) | 2008-04-10 |
DE602007003749D1 (de) | 2010-01-21 |
EP2069304B1 (en) | 2009-12-09 |
KR20090060329A (ko) | 2009-06-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6200925B2 (ja) | 銀陰極活性化の改良 | |
JP4615809B2 (ja) | ハロゲン化された4−アミノピコリン酸類の選択的な電気化学的還元 | |
JP5198457B2 (ja) | ハロゲン化4−アミノピコリン酸の改善された電気化学的還元 | |
CN104087968A (zh) | 卤代吡啶甲酸或其盐类化合物的选择性电化学还原方法 | |
CN110468429B (zh) | 一种银电极的活化方法 | |
US7666293B2 (en) | Electrochemical reduction of halogenated 4-aminopicolinic acids |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20100921 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20130108 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20130206 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20160215 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5198457 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |