CA1050989A - Preparation of 3,6-dichloropicolinic acid - Google Patents
Preparation of 3,6-dichloropicolinic acidInfo
- Publication number
- CA1050989A CA1050989A CA242,410A CA242410A CA1050989A CA 1050989 A CA1050989 A CA 1050989A CA 242410 A CA242410 A CA 242410A CA 1050989 A CA1050989 A CA 1050989A
- Authority
- CA
- Canada
- Prior art keywords
- acid
- reaction
- water
- alkali metal
- trichloro
- 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.)
- Expired
Links
- HUBANNPOLNYSAD-UHFFFAOYSA-N clopyralid Chemical compound OC(=O)C1=NC(Cl)=CC=C1Cl HUBANNPOLNYSAD-UHFFFAOYSA-N 0.000 title claims abstract description 11
- 238000002360 preparation method Methods 0.000 title claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 19
- 239000002253 acid Substances 0.000 claims abstract description 12
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims abstract description 11
- 239000011541 reaction mixture Substances 0.000 claims abstract description 11
- KBWNOFMJVVPCQQ-UHFFFAOYSA-N 3,5,6-trichloro-4-hydrazinylpyridine-2-carboxylic acid Chemical compound NNC1=C(Cl)C(Cl)=NC(C(O)=O)=C1Cl KBWNOFMJVVPCQQ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000012429 reaction media Substances 0.000 claims abstract description 9
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 239000011707 mineral Substances 0.000 claims abstract description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 18
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 18
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 238000010992 reflux Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000002363 herbicidal effect Effects 0.000 abstract 1
- 239000004009 herbicide Substances 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 19
- 239000000047 product Substances 0.000 description 13
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 12
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 12
- 239000000203 mixture Substances 0.000 description 11
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 8
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 6
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 238000005903 acid hydrolysis reaction Methods 0.000 description 4
- -1 alkali metal salt Chemical class 0.000 description 4
- 235000010755 mineral Nutrition 0.000 description 4
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- YHWAHABDZKORGN-UHFFFAOYSA-N 3,5,6-trichloro-4-hydrazinylpyridine-2-carbonitrile Chemical compound NNC1=C(Cl)C(Cl)=NC(C#N)=C1Cl YHWAHABDZKORGN-UHFFFAOYSA-N 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- GXFRQLQUKBSYQL-UHFFFAOYSA-N 3,4,5,6-tetrachloropyridine-2-carboxylic acid Chemical compound OC(=O)C1=NC(Cl)=C(Cl)C(Cl)=C1Cl GXFRQLQUKBSYQL-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-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
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- SIOXPEMLGUPBBT-UHFFFAOYSA-N picolinic acid Chemical compound OC(=O)C1=CC=CC=N1 SIOXPEMLGUPBBT-UHFFFAOYSA-N 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 2
- KFPBGJYBKSQIAI-UHFFFAOYSA-N 3,4,5,6-tetrachloropyridine-2-carbonitrile Chemical compound ClC1=NC(C#N)=C(Cl)C(Cl)=C1Cl KFPBGJYBKSQIAI-UHFFFAOYSA-N 0.000 description 1
- CRQVZDUGJCBXJH-UHFFFAOYSA-N 3,4-dichloro-2-(trichloromethyl)pyridine Chemical compound ClC1=CC=NC(C(Cl)(Cl)Cl)=C1Cl CRQVZDUGJCBXJH-UHFFFAOYSA-N 0.000 description 1
- 241000238876 Acari Species 0.000 description 1
- 241000251468 Actinopterygii Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- PVNIIMVLHYAWGP-UHFFFAOYSA-N Niacin Chemical compound OC(=O)C1=CC=CN=C1 PVNIIMVLHYAWGP-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
- 150000008041 alkali metal carbonates Chemical class 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 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
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- GGSUCNLOZRCGPQ-UHFFFAOYSA-N diethylaniline Chemical compound CCN(CC)C1=CC=CC=C1 GGSUCNLOZRCGPQ-UHFFFAOYSA-N 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229940081066 picolinic acid Drugs 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- CPRMKOQKXYSDML-UHFFFAOYSA-M rubidium hydroxide Chemical class [OH-].[Rb+] CPRMKOQKXYSDML-UHFFFAOYSA-M 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 125000003866 trichloromethyl group Chemical group ClC(Cl)(Cl)* 0.000 description 1
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 238000005406 washing Methods 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)
- Pyridine Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US53678974A | 1974-12-27 | 1974-12-27 | |
| US53678874A | 1974-12-27 | 1974-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1050989A true CA1050989A (en) | 1979-03-20 |
Family
ID=27065265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA242,410A Expired CA1050989A (en) | 1974-12-27 | 1975-12-23 | Preparation of 3,6-dichloropicolinic acid |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS5188971A (cs) |
| AR (1) | AR218217A1 (cs) |
| BR (1) | BR7508648A (cs) |
| CA (1) | CA1050989A (cs) |
| CS (1) | CS187331B2 (cs) |
| DE (1) | DE2558399C3 (cs) |
| FR (1) | FR2295952A1 (cs) |
| GB (1) | GB1469610A (cs) |
| HU (1) | HU173174B (cs) |
| IN (1) | IN140318B (cs) |
| MY (1) | MY7800020A (cs) |
| NL (1) | NL181358C (cs) |
| PH (1) | PH11766A (cs) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS588235U (ja) * | 1981-07-09 | 1983-01-19 | 三洋電機株式会社 | タイマ−回路 |
| DE3600287A1 (de) * | 1986-01-08 | 1987-07-16 | Bayer Ag | 1-arylpyrazole |
| TWI579274B (zh) | 2012-04-20 | 2017-04-21 | 龍馬躍公司 | 製備１－芳基－５－烷基吡唑化合物的改良方法 |
| CN105503713A (zh) * | 2015-12-24 | 2016-04-20 | 浙江埃森化学有限公司 | 3,4,5,6-四氯吡啶甲酸加氢还原制备3,6-二氯吡啶酸的方法 |
-
1975
- 1975-11-10 IN IN2143/CAL/75A patent/IN140318B/en unknown
- 1975-12-22 NL NLAANVRAGE7514931,A patent/NL181358C/xx not_active IP Right Cessation
- 1975-12-22 HU HU75DO403A patent/HU173174B/hu unknown
- 1975-12-23 AR AR261751A patent/AR218217A1/es active
- 1975-12-23 PH PH17918A patent/PH11766A/en unknown
- 1975-12-23 GB GB5274275A patent/GB1469610A/en not_active Expired
- 1975-12-23 JP JP50153898A patent/JPS5188971A/ja active Granted
- 1975-12-23 CS CS758831A patent/CS187331B2/cs unknown
- 1975-12-23 DE DE2558399A patent/DE2558399C3/de not_active Expired
- 1975-12-23 FR FR7539506A patent/FR2295952A1/fr active Granted
- 1975-12-23 CA CA242,410A patent/CA1050989A/en not_active Expired
- 1975-12-26 BR BR7508648*A patent/BR7508648A/pt unknown
-
1978
- 1978-12-31 MY MY197820A patent/MY7800020A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2558399A1 (de) | 1976-07-01 |
| AU8779275A (en) | 1977-06-30 |
| FR2295952B1 (cs) | 1978-05-19 |
| PH11766A (en) | 1978-06-27 |
| DE2558399C3 (de) | 1978-03-30 |
| JPS5188971A (en) | 1976-08-04 |
| JPS5337350B2 (cs) | 1978-10-07 |
| MY7800020A (en) | 1978-12-31 |
| HU173174B (hu) | 1979-03-28 |
| NL181358B (nl) | 1987-03-02 |
| IN140318B (cs) | 1976-10-16 |
| CS187331B2 (en) | 1979-01-31 |
| AR218217A1 (es) | 1980-05-30 |
| GB1469610A (en) | 1977-04-06 |
| BR7508648A (pt) | 1976-09-08 |
| NL7514931A (nl) | 1976-06-29 |
| DE2558399B2 (de) | 1977-08-04 |
| NL181358C (nl) | 1987-08-03 |
| FR2295952A1 (fr) | 1976-07-23 |
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