DD128779A5 - Verfahren zur herstellung reinweisser 2-chlornikotinsaeure - Google Patents
Verfahren zur herstellung reinweisser 2-chlornikotinsaeureInfo
- Publication number
- DD128779A5 DD128779A5 DD7700198211A DD19821177A DD128779A5 DD 128779 A5 DD128779 A5 DD 128779A5 DD 7700198211 A DD7700198211 A DD 7700198211A DD 19821177 A DD19821177 A DD 19821177A DD 128779 A5 DD128779 A5 DD 128779A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- chloroicotinic
- acid
- pure white
- producing pure
- producing
- 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
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
-
- 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
- C07D213/80—Acids; Esters in position 3
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH412476A CH617680A5 (xx) | 1976-04-02 | 1976-04-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD128779A5 true DD128779A5 (de) | 1977-12-07 |
Family
ID=4270267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD7700198211A DD128779A5 (de) | 1976-04-02 | 1977-04-01 | Verfahren zur herstellung reinweisser 2-chlornikotinsaeure |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4144238A (xx) |
| JP (1) | JPS52122377A (xx) |
| CH (1) | CH617680A5 (xx) |
| DD (1) | DD128779A5 (xx) |
| DE (1) | DE2713316A1 (xx) |
| DK (1) | DK146277A (xx) |
| ES (1) | ES457434A1 (xx) |
| FR (1) | FR2346333A1 (xx) |
| GB (1) | GB1511636A (xx) |
| IT (1) | IT1086878B (xx) |
| SE (1) | SE7703617L (xx) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4504665A (en) * | 1982-04-12 | 1985-03-12 | Ishihara Sangyo Kaisha Ltd. | Process for producing chloronicotinic acid compounds |
| DE3840954A1 (de) * | 1988-12-05 | 1990-06-07 | Shell Int Research | Herstellung von 2-chlornicotinsaeureestern |
| ZA931855B (en) * | 1992-03-20 | 1993-10-05 | Lonza Ag | A process for producing aromatic, nitrogen containing, heterocyclic carboxylic acid chlorides |
| DE19834565A1 (de) * | 1998-07-31 | 2000-02-03 | Basf Ag | Verfahren zur Herstellung von 2-Halogennikotinsäurederivaten sowie neue 2-Chlornikotinsäureester |
| CN101817781B (zh) * | 2010-01-21 | 2012-05-30 | 浙江工业大学 | 一种2-氯烟酸的合成方法 |
| CN106187876A (zh) * | 2016-07-13 | 2016-12-07 | 南京红太阳生物化学有限责任公司 | 一种2‑氯烟酸的合成方法 |
| CN109836376B (zh) * | 2019-04-10 | 2022-03-22 | 江苏汉阔生物有限公司 | 一种以2，3-吡啶二羧酸为原料制备2-氯代烟酸的方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD80209A (xx) * |
-
1976
- 1976-04-02 CH CH412476A patent/CH617680A5/de not_active IP Right Cessation
-
1977
- 1977-03-25 DE DE19772713316 patent/DE2713316A1/de not_active Withdrawn
- 1977-03-25 GB GB12639/77A patent/GB1511636A/en not_active Expired
- 1977-03-29 SE SE7703617A patent/SE7703617L/xx not_active Application Discontinuation
- 1977-03-31 IT IT48753/77A patent/IT1086878B/it active
- 1977-03-31 JP JP3748277A patent/JPS52122377A/ja active Pending
- 1977-04-01 DD DD7700198211A patent/DD128779A5/xx unknown
- 1977-04-01 ES ES457434A patent/ES457434A1/es not_active Expired
- 1977-04-01 FR FR7709982A patent/FR2346333A1/fr active Granted
- 1977-04-01 DK DK146277A patent/DK146277A/da not_active IP Right Cessation
- 1977-04-04 US US05/784,323 patent/US4144238A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2713316A1 (de) | 1977-10-27 |
| SE7703617L (sv) | 1977-10-03 |
| DK146277A (da) | 1977-10-03 |
| GB1511636A (en) | 1978-05-24 |
| CH617680A5 (xx) | 1980-06-13 |
| FR2346333A1 (fr) | 1977-10-28 |
| IT1086878B (it) | 1985-05-31 |
| JPS52122377A (en) | 1977-10-14 |
| FR2346333B1 (xx) | 1982-06-04 |
| US4144238A (en) | 1979-03-13 |
| ES457434A1 (es) | 1978-02-16 |
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