ATE82963T1 - Verfahren zur herstellung von 2,3,5,6tetrachlorpyridin. - Google Patents
Verfahren zur herstellung von 2,3,5,6tetrachlorpyridin.Info
- Publication number
- ATE82963T1 ATE82963T1 AT87110934T AT87110934T ATE82963T1 AT E82963 T1 ATE82963 T1 AT E82963T1 AT 87110934 T AT87110934 T AT 87110934T AT 87110934 T AT87110934 T AT 87110934T AT E82963 T1 ATE82963 T1 AT E82963T1
- Authority
- AT
- Austria
- Prior art keywords
- pentachloropyridine
- preparation
- alkylsulfoxides
- tetramethylsulfone
- tetrachloropyridine
- Prior art date
Links
- DNDPLEAVNVOOQZ-UHFFFAOYSA-N 2,3,4,5,6-pentachloropyridine Chemical compound ClC1=NC(Cl)=C(Cl)C(Cl)=C1Cl DNDPLEAVNVOOQZ-UHFFFAOYSA-N 0.000 abstract 2
- FATBKZJZAHWCSL-UHFFFAOYSA-N 2,3,5,6-tetrachloropyridine Chemical compound ClC1=CC(Cl)=C(Cl)N=C1Cl FATBKZJZAHWCSL-UHFFFAOYSA-N 0.000 abstract 1
- -1 C-5 alcohols Chemical class 0.000 abstract 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract 1
- 125000005910 alkyl carbonate group Chemical group 0.000 abstract 1
- 125000005360 alkyl sulfoxide group Chemical group 0.000 abstract 1
- 150000003863 ammonium salts Chemical class 0.000 abstract 1
- 150000007522 mineralic acids Chemical class 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 150000007524 organic acids Chemical class 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000011701 zinc Substances 0.000 abstract 1
- 229910052725 zinc Inorganic materials 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
- C07D213/61—Halogen atoms or nitro radicals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Liquid Crystal Substances (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Special Wing (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/909,443 US4703123A (en) | 1986-09-19 | 1986-09-19 | Process for producing 2,3,5,6-tetrachloropyridine |
| EP87110934A EP0261348B1 (de) | 1986-09-19 | 1987-07-28 | Verfahren zur Herstellung von 2,3,5,6-Tetrachlorpyridin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE82963T1 true ATE82963T1 (de) | 1992-12-15 |
Family
ID=25427235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT87110934T ATE82963T1 (de) | 1986-09-19 | 1987-07-28 | Verfahren zur herstellung von 2,3,5,6tetrachlorpyridin. |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4703123A (de) |
| EP (1) | EP0261348B1 (de) |
| JP (1) | JPS6383070A (de) |
| AT (1) | ATE82963T1 (de) |
| AU (1) | AU604742B2 (de) |
| BR (1) | BR8705168A (de) |
| CA (1) | CA1310650C (de) |
| DE (1) | DE3782901T2 (de) |
| ES (1) | ES2052523T3 (de) |
| FI (1) | FI874085L (de) |
| HU (1) | HU201741B (de) |
| IL (1) | IL83890A (de) |
| NZ (1) | NZ221203A (de) |
| SU (1) | SU1621810A3 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4804764A (en) * | 1986-09-19 | 1989-02-14 | The Dow Chemical Company | Process for producing 2,3,5,6-tetrachloropyridine |
| US4865831A (en) * | 1988-02-26 | 1989-09-12 | The Dow Chemical Company | Recovery of zinc and ammonium chloride |
| AU4996299A (en) | 1998-07-15 | 2000-02-07 | Reilly Industries, Inc. | Dechlorination of pyridines in acidic, zinc-containing mediums |
| CN106316940B (zh) * | 2016-08-15 | 2019-07-23 | 中南大学 | 一种2,3,5,6-四氯吡啶合成及联产四氧化三锰的方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3993654A (en) * | 1974-05-16 | 1976-11-23 | The Dow Chemical Company | Preparation of tetrachloropyridine |
| US4133675A (en) * | 1976-07-23 | 1979-01-09 | Ciba-Geigy Corporation | Pyridyloxy-phenoxy-alkanecarboxylic acid derivatives which are effective as herbicides and as agents regulating plant growth |
| US4259495A (en) * | 1979-09-10 | 1981-03-31 | Ciba-Geigy Corporation | Process for producing 2,3,5,6-tetrachloropyridine |
-
1986
- 1986-09-19 US US06/909,443 patent/US4703123A/en not_active Expired - Fee Related
-
1987
- 1987-07-27 NZ NZ221203A patent/NZ221203A/xx unknown
- 1987-07-28 CA CA000543118A patent/CA1310650C/en not_active Expired - Fee Related
- 1987-07-28 EP EP87110934A patent/EP0261348B1/de not_active Expired - Lifetime
- 1987-07-28 AT AT87110934T patent/ATE82963T1/de not_active IP Right Cessation
- 1987-07-28 ES ES87110934T patent/ES2052523T3/es not_active Expired - Lifetime
- 1987-07-28 DE DE8787110934T patent/DE3782901T2/de not_active Expired - Fee Related
- 1987-08-19 AU AU77195/87A patent/AU604742B2/en not_active Ceased
- 1987-09-09 JP JP62226231A patent/JPS6383070A/ja active Pending
- 1987-09-14 IL IL83890A patent/IL83890A/xx not_active IP Right Cessation
- 1987-09-14 SU SU874203298A patent/SU1621810A3/ru active
- 1987-09-15 BR BR8705168A patent/BR8705168A/pt unknown
- 1987-09-18 FI FI874085A patent/FI874085L/fi not_active IP Right Cessation
- 1987-09-18 HU HU874175A patent/HU201741B/hu not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE3782901T2 (de) | 1993-04-08 |
| JPS6383070A (ja) | 1988-04-13 |
| EP0261348A3 (en) | 1989-07-26 |
| EP0261348A2 (de) | 1988-03-30 |
| FI874085A7 (fi) | 1988-03-20 |
| DE3782901D1 (de) | 1993-01-14 |
| NZ221203A (en) | 1989-03-29 |
| FI874085A0 (fi) | 1987-09-18 |
| AU604742B2 (en) | 1991-01-03 |
| CA1310650C (en) | 1992-11-24 |
| HU201741B (en) | 1990-12-28 |
| IL83890A0 (en) | 1988-02-29 |
| US4703123A (en) | 1987-10-27 |
| ES2052523T3 (es) | 1994-07-16 |
| AU7719587A (en) | 1988-03-24 |
| FI874085L (fi) | 1988-03-20 |
| EP0261348B1 (de) | 1992-12-02 |
| HUT48213A (en) | 1989-05-29 |
| BR8705168A (pt) | 1988-05-24 |
| IL83890A (en) | 1991-06-30 |
| SU1621810A3 (ru) | 1991-01-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |