CH515903A - Process for the preparation of pyridinecarboxylic acids - Google Patents
Process for the preparation of pyridinecarboxylic acidsInfo
- Publication number
- CH515903A CH515903A CH1441969A CH1441969A CH515903A CH 515903 A CH515903 A CH 515903A CH 1441969 A CH1441969 A CH 1441969A CH 1441969 A CH1441969 A CH 1441969A CH 515903 A CH515903 A CH 515903A
- Authority
- CH
- Switzerland
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
Priority Applications (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE756534D BE756534A (en) | 1969-09-24 | PROCESS FOR MANUFACTURING PYRIDINE-CARBOXYLIC ACIDS | |
CH1441969A CH515903A (en) | 1969-09-24 | 1969-09-24 | Process for the preparation of pyridinecarboxylic acids |
IT7053499A IT1035029B (en) | 1969-09-24 | 1970-09-18 | PROCEDURE FOR PRODUCING PRYRIDINCARBOSSYL ACIDS |
NL7013937A NL7013937A (en) | 1969-09-24 | 1970-09-21 | |
SE7012821A SE394814B (en) | 1969-09-24 | 1970-09-21 | PROCEDURE FOR PREPARATION OF NICOTIC ACID OR ISONICOTIC ACID |
ZA706488A ZA706488B (en) | 1969-09-24 | 1970-09-22 | Process for the production of pyridine-carboxylic acids |
GB45147/70A GB1276776A (en) | 1969-09-24 | 1970-09-22 | Process for the production of pyridine-carboxylic acids |
ES383857A ES383857A1 (en) | 1969-09-24 | 1970-09-22 | Process for the production of pyridine-carboxylic acids |
DE19702046556 DE2046556A1 (en) | 1969-09-24 | 1970-09-22 | Process for the production of Pyndincar bonsauren |
FR707034518A FR2062985B1 (en) | 1969-09-24 | 1970-09-23 | |
AT859970A AT300809B (en) | 1969-09-24 | 1970-09-23 | Process for the preparation of pyridinecarboxylic acids |
JP8332370A JPS5335950B1 (en) | 1969-09-24 | 1970-09-24 | |
RO64521A RO59308A (en) | 1969-09-24 | 1970-09-24 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1441969A CH515903A (en) | 1969-09-24 | 1969-09-24 | Process for the preparation of pyridinecarboxylic acids |
Publications (1)
Publication Number | Publication Date |
---|---|
CH515903A true CH515903A (en) | 1971-11-30 |
Family
ID=4400679
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1441969A CH515903A (en) | 1969-09-24 | 1969-09-24 | Process for the preparation of pyridinecarboxylic acids |
Country Status (13)
Country | Link |
---|---|
JP (1) | JPS5335950B1 (en) |
AT (1) | AT300809B (en) |
BE (1) | BE756534A (en) |
CH (1) | CH515903A (en) |
DE (1) | DE2046556A1 (en) |
ES (1) | ES383857A1 (en) |
FR (1) | FR2062985B1 (en) |
GB (1) | GB1276776A (en) |
IT (1) | IT1035029B (en) |
NL (1) | NL7013937A (en) |
RO (1) | RO59308A (en) |
SE (1) | SE394814B (en) |
ZA (1) | ZA706488B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3614019A1 (en) | 1986-04-25 | 1987-11-05 | Degussa | METHOD FOR PRODUCING HIGH PURITY CRYSTAL CRYSTALLINE NICOTINIC ACID |
-
0
- BE BE756534D patent/BE756534A/en unknown
-
1969
- 1969-09-24 CH CH1441969A patent/CH515903A/en not_active IP Right Cessation
-
1970
- 1970-09-18 IT IT7053499A patent/IT1035029B/en active
- 1970-09-21 SE SE7012821A patent/SE394814B/en unknown
- 1970-09-21 NL NL7013937A patent/NL7013937A/xx unknown
- 1970-09-22 DE DE19702046556 patent/DE2046556A1/en active Pending
- 1970-09-22 ZA ZA706488A patent/ZA706488B/en unknown
- 1970-09-22 ES ES383857A patent/ES383857A1/en not_active Expired
- 1970-09-22 GB GB45147/70A patent/GB1276776A/en not_active Expired
- 1970-09-23 FR FR707034518A patent/FR2062985B1/fr not_active Expired
- 1970-09-23 AT AT859970A patent/AT300809B/en not_active IP Right Cessation
- 1970-09-24 JP JP8332370A patent/JPS5335950B1/ja active Pending
- 1970-09-24 RO RO64521A patent/RO59308A/ro unknown
Also Published As
Publication number | Publication date |
---|---|
GB1276776A (en) | 1972-06-07 |
RO59308A (en) | 1976-03-15 |
BE756534A (en) | 1971-03-01 |
DE2046556A1 (en) | 1971-04-22 |
AT300809B (en) | 1972-08-10 |
JPS5335950B1 (en) | 1978-09-29 |
SE394814B (en) | 1977-07-11 |
IT1035029B (en) | 1979-10-20 |
ES383857A1 (en) | 1973-07-16 |
FR2062985B1 (en) | 1973-01-12 |
ZA706488B (en) | 1972-04-26 |
FR2062985A1 (en) | 1971-07-02 |
NL7013937A (en) | 1971-03-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |