DE68929429T2 - Verfahren zur Herstellung von Pyridin-2,3-Dicarbonsäure-Verbindungen - Google Patents
Verfahren zur Herstellung von Pyridin-2,3-Dicarbonsäure-VerbindungenInfo
- Publication number
- DE68929429T2 DE68929429T2 DE1989629429 DE68929429T DE68929429T2 DE 68929429 T2 DE68929429 T2 DE 68929429T2 DE 1989629429 DE1989629429 DE 1989629429 DE 68929429 T DE68929429 T DE 68929429T DE 68929429 T2 DE68929429 T2 DE 68929429T2
- Authority
- DE
- Germany
- Prior art keywords
- pyridine
- preparation
- dicarboxylic acid
- acid compounds
- compounds
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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
- C07D213/80—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 |
---|---|---|---|
JP6677288 | 1988-03-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68929429D1 DE68929429D1 (de) | 2002-11-07 |
DE68929429T2 true DE68929429T2 (de) | 2003-06-18 |
Family
ID=13325493
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68923232T Expired - Fee Related DE68923232T2 (de) | 1988-03-18 | 1989-03-17 | Verfahren zur herstellung von pyridin-2,3-dicarbonsäure-verbindungen. |
DE1989629429 Expired - Lifetime DE68929429T2 (de) | 1988-03-18 | 1989-03-17 | Verfahren zur Herstellung von Pyridin-2,3-Dicarbonsäure-Verbindungen |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68923232T Expired - Fee Related DE68923232T2 (de) | 1988-03-18 | 1989-03-17 | Verfahren zur herstellung von pyridin-2,3-dicarbonsäure-verbindungen. |
Country Status (3)
Country | Link |
---|---|
EP (2) | EP0357792B1 (de) |
DE (2) | DE68923232T2 (de) |
WO (1) | WO1989008645A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5276157A (en) * | 1991-12-20 | 1994-01-04 | American Cyanamid Company | Process for the purification of 2,3-pyridine and quinolinedicarboxylic acid diester compounds |
US5925764A (en) * | 1998-06-15 | 1999-07-20 | Wu; Wen-Xue | Process and intermediated for the manufacture of pyridine-2, 3-dicarboxylate compounds |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4723011A (en) * | 1985-10-28 | 1988-02-02 | American Cyanamid Company | Preparation of substituted and disubstituted-pyridine-2,3-dicarboxylate esters |
EP0274379B1 (de) * | 1987-01-06 | 1993-06-30 | Sugai Chemical Industry Co., Ltd. | Verfahren zur Herstellung von Pyridin-2,3-dicarboxylsäure-Verbindungen |
JP2561500B2 (ja) * | 1987-01-06 | 1996-12-11 | スガイ化学工業株式会社 | ピリジン−2,3−ジカルボン酸誘導体の製造方法 |
-
1989
- 1989-03-17 EP EP89903222A patent/EP0357792B1/de not_active Expired - Lifetime
- 1989-03-17 WO PCT/JP1989/000288 patent/WO1989008645A1/ja active IP Right Grant
- 1989-03-17 EP EP93116799A patent/EP0588372B1/de not_active Expired - Lifetime
- 1989-03-17 DE DE68923232T patent/DE68923232T2/de not_active Expired - Fee Related
- 1989-03-17 DE DE1989629429 patent/DE68929429T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0357792A1 (de) | 1990-03-14 |
EP0357792B1 (de) | 1995-06-28 |
DE68923232D1 (de) | 1995-08-03 |
DE68923232T2 (de) | 1996-01-04 |
WO1989008645A1 (en) | 1989-09-21 |
EP0357792A4 (en) | 1990-09-05 |
DE68929429D1 (de) | 2002-11-07 |
EP0588372A1 (de) | 1994-03-23 |
EP0588372B1 (de) | 2002-10-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |