DK126652B - Fremgangsmåde til fremstilling af pyridincarboxylsyrer. - Google Patents
Fremgangsmåde til fremstilling af pyridincarboxylsyrer.Info
- Publication number
- DK126652B DK126652B DK587869AA DK587869A DK126652B DK 126652 B DK126652 B DK 126652B DK 587869A A DK587869A A DK 587869AA DK 587869 A DK587869 A DK 587869A DK 126652 B DK126652 B DK 126652B
- Authority
- DK
- Denmark
- Prior art keywords
- preparation
- pyridinecarboxylic acids
- pyridinecarboxylic
- acids
- 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
- C07D213/79—Acids; Esters
- C07D213/803—Processes of preparation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1668868A CH495990A (de) | 1968-11-08 | 1968-11-08 | Verfahren zur Herstellung von Pyridincarbonsäuren |
| CH273269A CH504437A (de) | 1968-11-08 | 1969-02-24 | Verfahren zur Herstellung von Pyridincarbonsäuren |
| CH862269A CH511848A (de) | 1968-11-08 | 1969-06-06 | Verfahren zur Herstellung von Pyridincarbonsäuren |
| CH1175969A CH527193A (de) | 1968-11-08 | 1969-08-01 | Verfahren zur Herstellung von Pyridincarbonsäuren |
| CH1416869A CH548394A (de) | 1969-09-19 | 1969-09-19 | Verfahren zur herstellung von pyridincarbonsaeuren. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK126652B true DK126652B (da) | 1973-08-06 |
Family
ID=27509078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK587869AA DK126652B (da) | 1968-11-08 | 1969-11-06 | Fremgangsmåde til fremstilling af pyridincarboxylsyrer. |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US3657259A (da) |
| AT (1) | AT293388B (da) |
| BE (1) | BE741373A (da) |
| DE (1) | DE1956117C3 (da) |
| DK (1) | DK126652B (da) |
| FR (1) | FR2030070A1 (da) |
| GB (1) | GB1222778A (da) |
| HU (1) | HU162275B (da) |
| IT (1) | IT1046927B (da) |
| NL (1) | NL162640C (da) |
| NO (1) | NO130114B (da) |
| PL (1) | PL80332B1 (da) |
| RO (1) | RO56145A (da) |
| SE (1) | SE379539B (da) |
| YU (1) | YU34402B (da) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4001257A (en) * | 1972-12-02 | 1977-01-04 | Nippon Soda Company Limited | Process for producing nicotinic acid |
| US5520828A (en) * | 1994-06-16 | 1996-05-28 | Lever Brothers Company, Division Of Conopco, Inc. | Fabric conditioners derived from pyridine carboxylic acids |
-
1969
- 1969-10-28 US US871951A patent/US3657259A/en not_active Expired - Lifetime
- 1969-11-05 YU YU2771/69A patent/YU34402B/xx unknown
- 1969-11-06 RO RO196961489A patent/RO56145A/ro unknown
- 1969-11-06 AT AT1043469A patent/AT293388B/de active
- 1969-11-06 BE BE741373D patent/BE741373A/xx not_active IP Right Cessation
- 1969-11-06 DK DK587869AA patent/DK126652B/da not_active IP Right Cessation
- 1969-11-06 NO NO694398A patent/NO130114B/no unknown
- 1969-11-06 SE SE6915254A patent/SE379539B/xx unknown
- 1969-11-06 HU HULO351A patent/HU162275B/hu unknown
- 1969-11-07 NL NL6916844.A patent/NL162640C/xx not_active IP Right Cessation
- 1969-11-07 GB GB54683/69A patent/GB1222778A/en not_active Expired
- 1969-11-07 DE DE1956117A patent/DE1956117C3/de not_active Expired
- 1969-11-07 FR FR6938523A patent/FR2030070A1/fr not_active Withdrawn
- 1969-11-07 PL PL1969136745A patent/PL80332B1/pl unknown
- 1969-11-08 IT IT6941288A patent/IT1046927B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| SE379539B (da) | 1975-10-13 |
| HU162275B (da) | 1973-01-29 |
| NL6916844A (da) | 1970-05-12 |
| DE1956117C3 (de) | 1975-09-04 |
| GB1222778A (en) | 1971-02-17 |
| NL162640C (nl) | 1980-06-16 |
| YU34402B (en) | 1979-07-10 |
| DE1956117A1 (de) | 1970-06-11 |
| RO56145A (da) | 1974-03-01 |
| US3657259A (en) | 1972-04-18 |
| IT1046927B (it) | 1980-07-31 |
| NL162640B (nl) | 1980-01-15 |
| NO130114B (da) | 1974-07-08 |
| PL80332B1 (en) | 1975-08-30 |
| DE1956117B2 (de) | 1975-01-23 |
| AT293388B (de) | 1971-10-11 |
| BE741373A (da) | 1970-04-16 |
| YU277169A (en) | 1978-12-31 |
| FR2030070A1 (da) | 1970-10-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PBP | Patent lapsed |