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
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 (xx) |
| AR (1) | AR218217A1 (xx) |
| BR (1) | BR7508648A (xx) |
| CA (1) | CA1050989A (xx) |
| CS (1) | CS187331B2 (xx) |
| DE (1) | DE2558399C3 (xx) |
| FR (1) | FR2295952A1 (xx) |
| GB (1) | GB1469610A (xx) |
| HU (1) | HU173174B (xx) |
| IN (1) | IN140318B (xx) |
| MY (1) | MY7800020A (xx) |
| NL (1) | NL181358C (xx) |
| PH (1) | PH11766A (xx) |
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 CS CS758831A patent/CS187331B2/cs 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 CA CA242,410A patent/CA1050989A/en not_active Expired
- 1975-12-23 PH PH17918A patent/PH11766A/en unknown
- 1975-12-23 FR FR7539506A patent/FR2295952A1/fr active Granted
- 1975-12-23 AR AR261751A patent/AR218217A1/es active
- 1975-12-23 DE DE2558399A patent/DE2558399C3/de 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 |
|---|---|
| IN140318B (xx) | 1976-10-16 |
| JPS5188971A (en) | 1976-08-04 |
| AR218217A1 (es) | 1980-05-30 |
| NL181358C (nl) | 1987-08-03 |
| NL181358B (nl) | 1987-03-02 |
| MY7800020A (en) | 1978-12-31 |
| FR2295952A1 (fr) | 1976-07-23 |
| DE2558399C3 (de) | 1978-03-30 |
| CS187331B2 (en) | 1979-01-31 |
| HU173174B (hu) | 1979-03-28 |
| DE2558399A1 (de) | 1976-07-01 |
| JPS5337350B2 (xx) | 1978-10-07 |
| PH11766A (en) | 1978-06-27 |
| FR2295952B1 (xx) | 1978-05-19 |
| DE2558399B2 (de) | 1977-08-04 |
| NL7514931A (nl) | 1976-06-29 |
| BR7508648A (pt) | 1976-09-08 |
| AU8779275A (en) | 1977-06-30 |
| GB1469610A (en) | 1977-04-06 |
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