BR9301114A - Processo para producao de composto anidrido - Google Patents
Processo para producao de composto anidridoInfo
- Publication number
- BR9301114A BR9301114A BR9301114A BR9301114A BR9301114A BR 9301114 A BR9301114 A BR 9301114A BR 9301114 A BR9301114 A BR 9301114A BR 9301114 A BR9301114 A BR 9301114A BR 9301114 A BR9301114 A BR 9301114A
- Authority
- BR
- Brazil
- Prior art keywords
- anythed
- compound
- production
- anythed compound
- 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
- C07D213/80—Acids; Esters in position 3
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
- C07D491/04—Ortho-condensed systems
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/860,093 US5208342A (en) | 1992-03-30 | 1992-03-30 | Conversion of pyridine-2,3-dicarboxylic acid esters to cyclic anhydrides |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR9301114A true BR9301114A (pt) | 1993-10-05 |
Family
ID=25332479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR9301114A BR9301114A (pt) | 1992-03-30 | 1993-03-09 | Processo para producao de composto anidrido |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5208342A (pt) |
| EP (1) | EP0564083A1 (pt) |
| JP (1) | JPH0665245A (pt) |
| BR (1) | BR9301114A (pt) |
| CA (1) | CA2089136A1 (pt) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4109401A1 (de) * | 1991-03-22 | 1992-09-24 | Bosch Gmbh Robert | Verfahren und vorrichtung zur tankentlueftung |
| NL1013682C2 (nl) * | 1999-11-26 | 2001-05-30 | Purac Biochem Bv | Werkwijze en inrichting voor het zuiveren van een waterige oplossing van melkzuur. |
| WO2008032334A1 (en) * | 2006-09-12 | 2008-03-20 | Jubilant Organosys Limited | Eco-friendly process for recovery of pyridine and/or its derivatives |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4647301A (en) * | 1984-06-04 | 1987-03-03 | American Cyanamid Company | Herbicidal 2-(2-imidazolin-2-yl)fluoroalkyoxy-, alkenyloxy- and alkynyloxypyridines |
| US4460776A (en) * | 1982-05-25 | 1984-07-17 | American Cyanamid Company | Process for the preparation of 6-substituted-2,3-pyridinedicarboxylic acid diesters |
| US4748244A (en) * | 1984-05-11 | 1988-05-31 | Ciba-Geigy Corporation | Process for the preparation of pyridine-2-3-dicarboxylic acid derivatives, and novel 1-amino-1,4-dihydropyridine-2-3-diarboxylic acid derivatives |
| US4723011A (en) * | 1985-10-28 | 1988-02-02 | American Cyanamid Company | Preparation of substituted and disubstituted-pyridine-2,3-dicarboxylate esters |
| GB2174395A (en) * | 1986-05-09 | 1986-11-05 | American Cyanimid Co | Herbicidal 2-(2-imidazolin-2-yl)pyridine derivatives |
| GB2192877A (en) * | 1986-07-22 | 1988-01-27 | Shell Int Research | Herbicidal imidazolinyl compounds |
| DE3882055T2 (de) * | 1987-01-06 | 1993-12-02 | Sugai Chemical Ind Co Ltd | Verfahren zur Herstellung von Pyridin-2,3-dicarboxylsäure-Verbindungen. |
| EP0296109A3 (de) * | 1987-06-18 | 1989-12-20 | Ciba-Geigy Ag | 2-(Imidazolin-2-yl)nicotinsäurederivate |
| US5122608A (en) * | 1990-12-19 | 1992-06-16 | American Cyanamid Company | Method for the preparation of substituted and unsubstituted 2,3-pyridine and quinolinedicarboxylic acids |
| US5206368A (en) * | 1991-03-12 | 1993-04-27 | American Cyanamid Company | Process for extracting pyridine- and quinolinedicarboxylic acids from aqueous media |
-
1992
- 1992-03-30 US US07/860,093 patent/US5208342A/en not_active Expired - Fee Related
-
1993
- 1993-02-09 CA CA002089136A patent/CA2089136A1/en not_active Abandoned
- 1993-02-17 EP EP93301133A patent/EP0564083A1/en not_active Withdrawn
- 1993-03-09 BR BR9301114A patent/BR9301114A/pt not_active Application Discontinuation
- 1993-03-30 JP JP5072015A patent/JPH0665245A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP0564083A1 (en) | 1993-10-06 |
| US5208342A (en) | 1993-05-04 |
| JPH0665245A (ja) | 1994-03-08 |
| CA2089136A1 (en) | 1993-10-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FA7 | Application withdrawn (art. 18 par. 1 of law 5772/71) - being contrary to morals, good customs and public security, order and health |