DE3851854T2 - Verfahren zur Herstellung von 1-Alkoxy-3-carboxy-4-cinnolonen. - Google Patents
Verfahren zur Herstellung von 1-Alkoxy-3-carboxy-4-cinnolonen.Info
- Publication number
- DE3851854T2 DE3851854T2 DE3851854T DE3851854T DE3851854T2 DE 3851854 T2 DE3851854 T2 DE 3851854T2 DE 3851854 T DE3851854 T DE 3851854T DE 3851854 T DE3851854 T DE 3851854T DE 3851854 T2 DE3851854 T2 DE 3851854T2
- Authority
- DE
- Germany
- Prior art keywords
- cinnolones
- carboxy
- preparation
- alkoxy
- hydrolysis
- 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 - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D237/00—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings
- C07D237/26—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings condensed with carbocyclic rings or ring systems
- C07D237/28—Cinnolines
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT20230/87A IT1203952B (it) | 1987-04-23 | 1987-04-23 | Processo per la preparazione di 1-alchil-3-cabossi-4-cinnoloni |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3851854D1 DE3851854D1 (de) | 1994-11-24 |
DE3851854T2 true DE3851854T2 (de) | 1995-03-09 |
Family
ID=11164965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3851854T Expired - Fee Related DE3851854T2 (de) | 1987-04-23 | 1988-03-28 | Verfahren zur Herstellung von 1-Alkoxy-3-carboxy-4-cinnolonen. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4956460A (de) |
EP (1) | EP0287853B1 (de) |
JP (1) | JPS63280084A (de) |
AT (1) | ATE113037T1 (de) |
CA (1) | CA1317957C (de) |
DE (1) | DE3851854T2 (de) |
ES (1) | ES2063741T3 (de) |
IT (1) | IT1203952B (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5183891A (en) * | 1989-11-09 | 1993-02-02 | Orsan | Method for the preparation of substituted 1,4-dihydro-4-oxo-cinnoline-3-carboxylic acid, esters and salts thereof, and intermediates used in their preparation |
DE69129902T2 (de) * | 1991-06-19 | 1998-12-10 | Hybrinova | Verfahren zur Herstellung von substituierten 1,4-Dihydro-4-oxo-cinnolin-3-carbonsäuren, ihre Ester und Salze, und in diesem Verfahren benutzten Zwischenprodukte |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2797218A (en) * | 1953-08-13 | 1957-06-25 | May & Baker Ltd | Cinnoline derivatives |
US3485845A (en) * | 1966-05-13 | 1969-12-23 | May & Baker Ltd | Methyl and ethyl 6- and 7-substituted 4-hydroxy-quinoline-3-carboxylates useful as coccidiostats |
NL147145B (nl) * | 1969-02-04 | 1975-09-15 | Lilly Co Eli | Werkwijze ter bereiding van preparaten met antimicrobiele werking. |
US3669965A (en) * | 1969-12-29 | 1972-06-13 | Lilly Co Eli | 1-lower alkyl or alkylene substituted-6,7-methylenedioxy-4(1h)-oxocinnoline-3-carboxylic acids and methods for making and using same |
US3937704A (en) * | 1971-10-18 | 1976-02-10 | Warner-Lambert Company | 3-(methylsulfinyl)cinnolinones and their derivatives |
DD207098A3 (de) * | 1981-12-22 | 1984-02-15 | Schmidt Hans Joerg | Verfahren zur herstellung von 1-alkyl-6,7-methylendioxy-4(1h)-oxo-cinnolin-3-carbonsaeuren |
US4604134A (en) * | 1983-09-14 | 1986-08-05 | Lafarge Coppee | Pollen suppressant comprising a fused pyridazine |
DE3418852A1 (de) * | 1984-05-21 | 1985-11-21 | Erhard Dr. 4400 Münster Severin | Fluoreszierende redoxindikatoren und ihre anwendung in der cytodiagnostik |
JPH044264A (ja) * | 1990-04-20 | 1992-01-08 | Fuji Photo Film Co Ltd | X型無金属フタロシアニンの製造方法 |
-
1987
- 1987-04-23 IT IT20230/87A patent/IT1203952B/it active
-
1988
- 1988-03-23 US US07/172,072 patent/US4956460A/en not_active Expired - Fee Related
- 1988-03-28 ES ES88105021T patent/ES2063741T3/es not_active Expired - Lifetime
- 1988-03-28 DE DE3851854T patent/DE3851854T2/de not_active Expired - Fee Related
- 1988-03-28 AT AT88105021T patent/ATE113037T1/de not_active IP Right Cessation
- 1988-03-28 EP EP88105021A patent/EP0287853B1/de not_active Expired - Lifetime
- 1988-04-14 JP JP63092642A patent/JPS63280084A/ja active Pending
- 1988-04-21 CA CA000564723A patent/CA1317957C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPS63280084A (ja) | 1988-11-17 |
IT8720230A0 (it) | 1987-04-23 |
ATE113037T1 (de) | 1994-11-15 |
IT1203952B (it) | 1989-02-23 |
EP0287853B1 (de) | 1994-10-19 |
EP0287853A2 (de) | 1988-10-26 |
ES2063741T3 (es) | 1995-01-16 |
CA1317957C (en) | 1993-05-18 |
EP0287853A3 (en) | 1990-07-18 |
DE3851854D1 (de) | 1994-11-24 |
US4956460A (en) | 1990-09-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |