GB1469610A - Preparation of 3,6-dichloropicolinic acid - Google Patents
Preparation of 3,6-dichloropicolinic acidInfo
- Publication number
- GB1469610A GB1469610A GB5274275A GB5274275A GB1469610A GB 1469610 A GB1469610 A GB 1469610A GB 5274275 A GB5274275 A GB 5274275A GB 5274275 A GB5274275 A GB 5274275A GB 1469610 A GB1469610 A GB 1469610A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- trichloro
- dichloropicolinic
- dec
- dichloropicolinic acid
- 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 abstract 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- 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 abstract 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 abstract 2
- 150000008044 alkali metal hydroxides Chemical class 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 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 abstract 1
- 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 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 238000005903 acid hydrolysis reaction Methods 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000000361 pesticidal effect Effects 0.000 abstract 1
- 230000008635 plant growth Effects 0.000 abstract 1
- 239000012429 reaction media Substances 0.000 abstract 1
- 239000011541 reaction mixture Substances 0.000 abstract 1
- 238000010992 reflux Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 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 |
|---|---|---|---|
| US53678874A | 1974-12-27 | 1974-12-27 | |
| US53678974A | 1974-12-27 | 1974-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1469610A true GB1469610A (en) | 1977-04-06 |
Family
ID=27065265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5274275A Expired GB1469610A (en) | 1974-12-27 | 1975-12-23 | Preparation of 3,6-dichloropicolinic acid |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS5188971A (cg-RX-API-DMAC10.html) |
| AR (1) | AR218217A1 (cg-RX-API-DMAC10.html) |
| BR (1) | BR7508648A (cg-RX-API-DMAC10.html) |
| CA (1) | CA1050989A (cg-RX-API-DMAC10.html) |
| CS (1) | CS187331B2 (cg-RX-API-DMAC10.html) |
| DE (1) | DE2558399C3 (cg-RX-API-DMAC10.html) |
| FR (1) | FR2295952A1 (cg-RX-API-DMAC10.html) |
| GB (1) | GB1469610A (cg-RX-API-DMAC10.html) |
| HU (1) | HU173174B (cg-RX-API-DMAC10.html) |
| IN (1) | IN140318B (cg-RX-API-DMAC10.html) |
| MY (1) | MY7800020A (cg-RX-API-DMAC10.html) |
| NL (1) | NL181358C (cg-RX-API-DMAC10.html) |
| PH (1) | PH11766A (cg-RX-API-DMAC10.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013159094A2 (en) | 2012-04-20 | 2013-10-24 | Merial Limited | Improved processes for the preparation of 1-aryl-5-alkyl pyrazole compounds |
Families Citing this family (3)
| 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 |
| 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 HU HU75DO403A patent/HU173174B/hu unknown
- 1975-12-22 NL NLAANVRAGE7514931,A patent/NL181358C/xx not_active IP Right Cessation
- 1975-12-23 PH PH17918A patent/PH11766A/en unknown
- 1975-12-23 JP JP50153898A patent/JPS5188971A/ja active Granted
- 1975-12-23 CA CA242,410A patent/CA1050989A/en not_active Expired
- 1975-12-23 DE DE2558399A patent/DE2558399C3/de not_active Expired
- 1975-12-23 GB GB5274275A patent/GB1469610A/en not_active Expired
- 1975-12-23 AR AR261751A patent/AR218217A1/es active
- 1975-12-23 FR FR7539506A patent/FR2295952A1/fr active Granted
- 1975-12-23 CS CS758831A patent/CS187331B2/cs unknown
- 1975-12-26 BR BR7508648*A patent/BR7508648A/pt unknown
-
1978
- 1978-12-31 MY MY197820A patent/MY7800020A/xx unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013159094A2 (en) | 2012-04-20 | 2013-10-24 | Merial Limited | Improved processes for the preparation of 1-aryl-5-alkyl pyrazole compounds |
| EP3184510A1 (en) | 2012-04-20 | 2017-06-28 | Merial, Inc. | Improved processes for the preparation of 1-aryl-5-alkyl pyrazole compounds |
Also Published As
| Publication number | Publication date |
|---|---|
| CA1050989A (en) | 1979-03-20 |
| FR2295952A1 (fr) | 1976-07-23 |
| NL181358B (nl) | 1987-03-02 |
| NL181358C (nl) | 1987-08-03 |
| PH11766A (en) | 1978-06-27 |
| FR2295952B1 (cg-RX-API-DMAC10.html) | 1978-05-19 |
| IN140318B (cg-RX-API-DMAC10.html) | 1976-10-16 |
| JPS5337350B2 (cg-RX-API-DMAC10.html) | 1978-10-07 |
| MY7800020A (en) | 1978-12-31 |
| JPS5188971A (en) | 1976-08-04 |
| CS187331B2 (en) | 1979-01-31 |
| DE2558399C3 (de) | 1978-03-30 |
| AR218217A1 (es) | 1980-05-30 |
| DE2558399A1 (de) | 1976-07-01 |
| NL7514931A (nl) | 1976-06-29 |
| AU8779275A (en) | 1977-06-30 |
| BR7508648A (pt) | 1976-09-08 |
| DE2558399B2 (de) | 1977-08-04 |
| HU173174B (hu) | 1979-03-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| 704A | Declaration that licence is not available as of right for an excepted use (par. 4a/1977) | ||
| PE20 | Patent expired after termination of 20 years |
Effective date: 19951222 |