GB1499650A - Process for production of 2,3,5,6-tetrachloropyridine - Google Patents
Process for production of 2,3,5,6-tetrachloropyridineInfo
- Publication number
- GB1499650A GB1499650A GB43176/76A GB4317676A GB1499650A GB 1499650 A GB1499650 A GB 1499650A GB 43176/76 A GB43176/76 A GB 43176/76A GB 4317676 A GB4317676 A GB 4317676A GB 1499650 A GB1499650 A GB 1499650A
- Authority
- GB
- United Kingdom
- Prior art keywords
- hcl
- ratio
- pentachloropyridine
- tetrachloropyridine
- ncl
- 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
- FATBKZJZAHWCSL-UHFFFAOYSA-N 2,3,5,6-tetrachloropyridine Chemical compound ClC1=CC(Cl)=C(Cl)N=C1Cl FATBKZJZAHWCSL-UHFFFAOYSA-N 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 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 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- DLOOKZXVYJHDIY-UHFFFAOYSA-N 2,3,4,5-tetrachloropyridine Chemical compound ClC1=CN=C(Cl)C(Cl)=C1Cl DLOOKZXVYJHDIY-UHFFFAOYSA-N 0.000 abstract 1
- 239000012736 aqueous medium Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000000203 mixture Substances 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
- C07D213/61—Halogen atoms or nitro radicals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7631253A FR2367747A1 (fr) | 1976-10-18 | 1976-10-18 | Procede de production de tetrachloropyridine |
| JP51124760A JPS601307B2 (ja) | 1976-10-18 | 1976-10-18 | テトラクロロピリジンの製造法 |
| CA263,590A CA1056382A (en) | 1976-10-18 | 1976-10-18 | Preparation of tetrachloropyridine |
| GB43176/76A GB1499650A (en) | 1976-10-18 | 1976-10-18 | Process for production of 2,3,5,6-tetrachloropyridine |
| DE2647143A DE2647143C3 (de) | 1976-10-18 | 1976-10-19 | Verfahren zur Herstellung von 233.6-Tetrachlorpyridin |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7631253A FR2367747A1 (fr) | 1976-10-18 | 1976-10-18 | Procede de production de tetrachloropyridine |
| JP51124760A JPS601307B2 (ja) | 1976-10-18 | 1976-10-18 | テトラクロロピリジンの製造法 |
| CA263,590A CA1056382A (en) | 1976-10-18 | 1976-10-18 | Preparation of tetrachloropyridine |
| GB43176/76A GB1499650A (en) | 1976-10-18 | 1976-10-18 | Process for production of 2,3,5,6-tetrachloropyridine |
| DE2647143A DE2647143C3 (de) | 1976-10-18 | 1976-10-19 | Verfahren zur Herstellung von 233.6-Tetrachlorpyridin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1499650A true GB1499650A (en) | 1978-02-01 |
Family
ID=27508074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB43176/76A Expired GB1499650A (en) | 1976-10-18 | 1976-10-18 | Process for production of 2,3,5,6-tetrachloropyridine |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS601307B2 (enExample) |
| CA (1) | CA1056382A (enExample) |
| DE (1) | DE2647143C3 (enExample) |
| FR (1) | FR2367747A1 (enExample) |
| GB (1) | GB1499650A (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4592810A (en) * | 1985-03-18 | 1986-06-03 | The Dow Chemical Company | Electrocatalytic production of 2,3,5,6-tetrachloropyridine from pentachloropyridine |
| US4783536A (en) * | 1985-02-07 | 1988-11-08 | The Dow Chemical Company | Selective reduction of pentachloropyridine to 2,3,5,6-tetrachloropyridine with zinc dust in basic media |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU4996299A (en) | 1998-07-15 | 2000-02-07 | Reilly Industries, Inc. | Dechlorination of pyridines in acidic, zinc-containing mediums |
-
1976
- 1976-10-18 GB GB43176/76A patent/GB1499650A/en not_active Expired
- 1976-10-18 CA CA263,590A patent/CA1056382A/en not_active Expired
- 1976-10-18 JP JP51124760A patent/JPS601307B2/ja not_active Expired
- 1976-10-18 FR FR7631253A patent/FR2367747A1/fr active Granted
- 1976-10-19 DE DE2647143A patent/DE2647143C3/de not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4783536A (en) * | 1985-02-07 | 1988-11-08 | The Dow Chemical Company | Selective reduction of pentachloropyridine to 2,3,5,6-tetrachloropyridine with zinc dust in basic media |
| US4592810A (en) * | 1985-03-18 | 1986-06-03 | The Dow Chemical Company | Electrocatalytic production of 2,3,5,6-tetrachloropyridine from pentachloropyridine |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2647143B2 (de) | 1978-08-10 |
| FR2367747B1 (enExample) | 1979-03-02 |
| DE2647143A1 (de) | 1978-04-27 |
| JPS5350175A (en) | 1978-05-08 |
| DE2647143C3 (de) | 1979-04-05 |
| CA1056382A (en) | 1979-06-12 |
| FR2367747A1 (fr) | 1978-05-12 |
| JPS601307B2 (ja) | 1985-01-14 |
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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) | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19941018 |