CH495990A - Verfahren zur Herstellung von Pyridincarbonsäuren - Google Patents
Verfahren zur Herstellung von PyridincarbonsäurenInfo
- Publication number
- CH495990A CH495990A CH1668868A CH1668868A CH495990A CH 495990 A CH495990 A CH 495990A CH 1668868 A CH1668868 A CH 1668868A CH 1668868 A CH1668868 A CH 1668868A CH 495990 A CH495990 A CH 495990A
- Authority
- CH
- Switzerland
- Prior art keywords
- acid
- oxidation
- hno3
- mother liquor
- pyridinecarboxylic
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
Priority Applications (23)
| 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 |
| US871951A US3657259A (en) | 1968-11-08 | 1969-10-28 | Process for the production of pyridine carboxylic acids |
| YU2771/69A YU34402B (en) | 1968-11-08 | 1969-11-05 | Process for preparing pyridine carboxylic acids |
| HULO351A HU162275B (ru) | 1968-11-08 | 1969-11-06 | |
| ES373234A ES373234A1 (es) | 1968-11-08 | 1969-11-06 | Procedimiento para la preparacion de acidos piridincarboxi-licos. |
| SE6915254A SE379539B (ru) | 1968-11-08 | 1969-11-06 | |
| NO694398A NO130114B (ru) | 1968-11-08 | 1969-11-06 | |
| SU1423153A SU520044A3 (ru) | 1968-11-08 | 1969-11-06 | Способ получени никотиновой кислоты |
| RO196961489A RO56145A (ru) | 1968-11-08 | 1969-11-06 | |
| DK587869AA DK126652B (da) | 1968-11-08 | 1969-11-06 | Fremgangsmåde til fremstilling af pyridincarboxylsyrer. |
| BE741373D BE741373A (ru) | 1968-11-08 | 1969-11-06 | |
| AT1043469A AT293388B (de) | 1968-11-08 | 1969-11-06 | Verfahren zur Herstellung von Pyridincarbonsäuren |
| NL6916844.A NL162640C (nl) | 1968-11-08 | 1969-11-07 | Werkwijze voor de bereiding van pyridinecarbonzuren. |
| FR6938523A FR2030070A1 (ru) | 1968-11-08 | 1969-11-07 | |
| BR21399569A BR6913995D0 (pt) | 1968-11-08 | 1969-11-07 | Processo para a fabricacao de acido piridino carboxilico |
| PL1969136745A PL80332B1 (en) | 1968-11-08 | 1969-11-07 | Process for the production of pyridine carboxylic acids[us3657259a] |
| GB54683/69A GB1222778A (en) | 1968-11-08 | 1969-11-07 | Improvements in or relating to the production of pyridine carboxylic acids |
| CS737169A CS161735B2 (ru) | 1968-11-08 | 1969-11-07 | |
| DE1956117A DE1956117C3 (de) | 1968-11-08 | 1969-11-07 | Verfahren zur Herstellung von Pyridincarbonsäuren |
| IT6941288A IT1046927B (it) | 1968-11-08 | 1969-11-08 | Procedimento per la produzione di acidi piridinocarbossilici |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1668868A CH495990A (de) | 1968-11-08 | 1968-11-08 | Verfahren zur Herstellung von Pyridincarbonsäuren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH495990A true CH495990A (de) | 1970-09-15 |
Family
ID=4419394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1668868A CH495990A (de) | 1968-11-08 | 1968-11-08 | Verfahren zur Herstellung von Pyridincarbonsäuren |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH495990A (ru) |
| SU (1) | SU520044A3 (ru) |
-
1968
- 1968-11-08 CH CH1668868A patent/CH495990A/de not_active IP Right Cessation
-
1969
- 1969-11-06 SU SU1423153A patent/SU520044A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| SU520044A3 (ru) | 1976-06-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0364875B1 (de) | Riboflavin-4'5'-cyclo-phosphorsäureesterchlorid, dessen Herstellung und Verwendung zur Herstellung von Riboflavin-5'-phosphat (5'-FMN) bzw. dessen Natriumsalz | |
| CH495990A (de) | Verfahren zur Herstellung von Pyridincarbonsäuren | |
| DE2529854C3 (de) | Verfahren zur Herstellung von N-Acetyl-L-methionin | |
| DE2313580C3 (ru) | ||
| DE1956117C3 (de) | Verfahren zur Herstellung von Pyridincarbonsäuren | |
| CH504437A (de) | Verfahren zur Herstellung von Pyridincarbonsäuren | |
| DE329591C (de) | Verfahren zur Darstellung von Oxalsaeure aus Kohlenhydraten durch Oxydation mit Salpetersaeure | |
| DE1593339C3 (de) | Verfahren zur Herstellung von Milchsäure | |
| CH548394A (de) | Verfahren zur herstellung von pyridincarbonsaeuren. | |
| DE2145892C3 (de) | Verfahren zur Gewinnung von 5-Fluoruracil | |
| DE2256508C3 (de) | Kontinuierliches Verfahren zur Herstellung von Nicotinsäure | |
| CH527193A (de) | Verfahren zur Herstellung von Pyridincarbonsäuren | |
| DE1445683A1 (de) | Verfahren zur Herstellung von Polychlorpyridinen | |
| AT261572B (de) | Verfahren zur Herstellung von ε-Caprolactonen | |
| AT283301B (de) | Verfahren zur Herstellung von Milchsäure | |
| DE1545570C3 (de) | Verfahren zur Herstellung von Dichlorpyrazinen | |
| CH511848A (de) | Verfahren zur Herstellung von Pyridincarbonsäuren | |
| DE4111214A1 (de) | Verfahren zur herstellung von 2-chlorpyridinen | |
| DE1618986B2 (de) | Verfahren zur herstellung von chlorierten aromatischen nitrilen | |
| CH391724A (de) | Reduktionsverfahren zur Herstellung von Aminen | |
| DE1643805A1 (de) | Verfahren zur Herstellung von freien Sulfopolycarbonsaeuren des Benzols | |
| DE1197863B (de) | Verfahren zur Gewinnung von Eisensulfatmonohydrat aus Eisensulfatheptahydrat | |
| DE1136321B (de) | Verfahren zur Herstellung von 4-Cyano-2, 2-dimethylbutyraldehyd | |
| DE1161563B (de) | Verfahren zur Herstellung von Pyridincarbonsäuren. | |
| CH359145A (de) | Verfahren zur Herstellung von gegebenenfalls durch Alkylgruppen substituierten Glutaminsäuren |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |