NL187858C - Werkwijze voor het bereiden van 2,3,5-trichloropyridine. - Google Patents
Werkwijze voor het bereiden van 2,3,5-trichloropyridine.Info
- Publication number
- NL187858C NL187858C NLAANVRAGE7808504,A NL7808504A NL187858C NL 187858 C NL187858 C NL 187858C NL 7808504 A NL7808504 A NL 7808504A NL 187858 C NL187858 C NL 187858C
- Authority
- NL
- Netherlands
- Prior art keywords
- trichloropyridine
- preparing
- Prior art date
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
- C07D213/61—Halogen atoms or nitro radicals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/833,126 US4111938A (en) | 1977-09-14 | 1977-09-14 | Preparation of 2,3,5-trichloropyridine |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7808504A NL7808504A (nl) | 1979-03-16 |
| NL187858B NL187858B (nl) | 1991-09-02 |
| NL187858C true NL187858C (nl) | 1992-02-03 |
Family
ID=25263502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NLAANVRAGE7808504,A NL187858C (nl) | 1977-09-14 | 1978-08-16 | Werkwijze voor het bereiden van 2,3,5-trichloropyridine. |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4111938A (xx) |
| JP (1) | JPS601308B2 (xx) |
| CA (1) | CA1084506A (xx) |
| CH (1) | CH638497A5 (xx) |
| DE (1) | DE2836077C2 (xx) |
| ES (1) | ES473374A1 (xx) |
| FR (1) | FR2403335A1 (xx) |
| GB (1) | GB2004275B (xx) |
| IL (1) | IL55290A0 (xx) |
| IT (1) | IT1099027B (xx) |
| NL (1) | NL187858C (xx) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4242183A (en) * | 1979-04-13 | 1980-12-30 | The Dow Chemical Company | Highly active silver cathode, preparation of same and use to make 2,3,5-trichloropyridine |
| US4259495A (en) * | 1979-09-10 | 1981-03-31 | Ciba-Geigy Corporation | Process for producing 2,3,5,6-tetrachloropyridine |
| US4258194A (en) * | 1979-09-10 | 1981-03-24 | Ciba-Geigy Corporation | Process for producing 2,3,5-trichloropyridine |
| US4287347A (en) * | 1980-05-12 | 1981-09-01 | Ciba-Geigy Corporation | Process for producing 2,3,5-trichloropyridine |
| 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 |
| US4659835A (en) * | 1986-01-03 | 1987-04-21 | The Dow Chemical Company | Preparation of tetrachloropyridine |
| US6051714A (en) * | 1998-03-12 | 2000-04-18 | Reilly Industries, Inc. | Processes for dechlorinating pyridines |
| EP1098880A4 (en) * | 1998-07-15 | 2002-10-23 | Reilly Ind Inc | DECHLORINATION OF PYRIDINES IN ZINC-CONTAINING ACID MEDIA |
| JP2001139551A (ja) * | 1999-11-15 | 2001-05-22 | Tohkem Products Corp | ２，３，５，６−テトラフルオロピリジンの製造方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3931190A (en) * | 1974-03-04 | 1976-01-06 | Olin Corporation | Preparation of 2-chloropyridine by hydrogenolysis |
| US3993654A (en) * | 1974-05-16 | 1976-11-23 | The Dow Chemical Company | Preparation of tetrachloropyridine |
-
1977
- 1977-09-14 US US05/833,126 patent/US4111938A/en not_active Expired - Lifetime
-
1978
- 1978-07-31 CA CA308,458A patent/CA1084506A/en not_active Expired
- 1978-08-04 IL IL7855290A patent/IL55290A0/xx not_active IP Right Cessation
- 1978-08-16 NL NLAANVRAGE7808504,A patent/NL187858C/xx not_active IP Right Cessation
- 1978-08-17 DE DE2836077A patent/DE2836077C2/de not_active Expired
- 1978-08-25 GB GB7834625A patent/GB2004275B/en not_active Expired
- 1978-08-31 FR FR7825148A patent/FR2403335A1/fr active Granted
- 1978-09-12 IT IT27536/78A patent/IT1099027B/it active
- 1978-09-14 CH CH961278A patent/CH638497A5/de not_active IP Right Cessation
- 1978-09-14 JP JP53113510A patent/JPS601308B2/ja not_active Expired
- 1978-09-14 ES ES473374A patent/ES473374A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IL55290A0 (en) | 1978-10-31 |
| DE2836077A1 (de) | 1979-03-22 |
| JPS5452082A (en) | 1979-04-24 |
| FR2403335B1 (xx) | 1982-07-02 |
| JPS601308B2 (ja) | 1985-01-14 |
| IT7827536A0 (it) | 1978-09-12 |
| CA1084506A (en) | 1980-08-26 |
| NL7808504A (nl) | 1979-03-16 |
| GB2004275A (en) | 1979-03-28 |
| FR2403335A1 (fr) | 1979-04-13 |
| IT1099027B (it) | 1985-09-18 |
| NL187858B (nl) | 1991-09-02 |
| GB2004275B (en) | 1982-01-13 |
| CH638497A5 (de) | 1983-09-30 |
| DE2836077C2 (de) | 1986-09-11 |
| ES473374A1 (es) | 1979-04-16 |
| US4111938A (en) | 1978-09-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| A85 | Still pending on 85-01-01 | ||
| BC | A request for examination has been filed | ||
| V1 | Lapsed because of non-payment of the annual fee |