ES2049652B1 - Procedimiento para la preparacion de un acido quinolin carboxilico. - Google Patents
Procedimiento para la preparacion de un acido quinolin carboxilico.Info
- Publication number
- ES2049652B1 ES2049652B1 ES9201853A ES9201853A ES2049652B1 ES 2049652 B1 ES2049652 B1 ES 2049652B1 ES 9201853 A ES9201853 A ES 9201853A ES 9201853 A ES9201853 A ES 9201853A ES 2049652 B1 ES2049652 B1 ES 2049652B1
- Authority
- ES
- Spain
- Prior art keywords
- formula
- compound
- quinolin
- procedure
- preparation
- 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
Landscapes
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Quinoline Compounds (AREA)
Abstract
PROCEDIMIENTO PARA LA PREPARACION DE UN ACIDO QUINOLIN CARBOXILICO, DE FORMULA I QUE COMPRENDE LA REACCION DE LA 2,3,4-TRIFLUORANILINA CON UN ALCOXIMETILENMALONATO DE DIALQUILO DE FORMULA III FORMULA (R = ME O ET) EN PRESENCIA DE TETRAETILENGLICOLDIMETILETER; LA REACCION PROPORCIONA 6,7,8-TRIFLUOR-1,4-DIHIDRO-4-OXOQUINOLIN-3-CARBOXILATO DE METILO O ETILO, QUE SE HACE REACCIONAR CON UN COMPUESTO DE FORMULA V FORMULA (X ES UN GRUPO SALIENTE), EN PRESENCIA DE CATALIZADORES Y DE UNA BASE, OBTENIENDOSE, DESPUES DE HIDROLISIS BASICA, UN COMPUESTO DE FORMULA VI. FORMULA QUE SE CICLA Y CONDUCE AL COMPUESTO DE FORMULA I. ESTE COMPUESTO ES UN VALUOSO INTERMEDIO PARA LA OBTENCION DE ANTIBIOTICOS (OFLOXACINA).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9201853A ES2049652B1 (es) | 1992-09-16 | 1992-09-16 | Procedimiento para la preparacion de un acido quinolin carboxilico. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9201853A ES2049652B1 (es) | 1992-09-16 | 1992-09-16 | Procedimiento para la preparacion de un acido quinolin carboxilico. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2049652A1 ES2049652A1 (es) | 1994-04-16 |
ES2049652B1 true ES2049652B1 (es) | 1994-10-01 |
Family
ID=8278154
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES9201853A Expired - Fee Related ES2049652B1 (es) | 1992-09-16 | 1992-09-16 | Procedimiento para la preparacion de un acido quinolin carboxilico. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2049652B1 (es) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109734723A (zh) * | 2018-12-29 | 2019-05-10 | 西南大学 | 氧氟沙星噻唑类似物及其制备方法和应用 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3984548A (en) * | 1974-02-11 | 1976-10-05 | Riker Laboratories, Inc. | Substituted pyrido[1,2,3,-de]-1,4-benzoxazines as bactericides |
GB8412094D0 (en) * | 1984-05-11 | 1984-06-20 | Scras | Quinoline derivatives |
EP0230053A3 (en) * | 1986-01-17 | 1988-03-30 | American Cyanamid Company | 7-(substituted)piperazinyl-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids |
US5081121A (en) * | 1988-05-24 | 1992-01-14 | Tatsushi Osawa | 4(1h)-quinolone derivatives |
ES2010135A6 (es) * | 1989-02-10 | 1989-10-16 | Union Quimico Farma | Procedimiento para la obtencion de norfloxacina. |
-
1992
- 1992-09-16 ES ES9201853A patent/ES2049652B1/es not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109734723A (zh) * | 2018-12-29 | 2019-05-10 | 西南大学 | 氧氟沙星噻唑类似物及其制备方法和应用 |
CN109734723B (zh) * | 2018-12-29 | 2022-03-11 | 西南大学 | 氧氟沙星噻唑类似物及其制备方法和应用 |
Also Published As
Publication number | Publication date |
---|---|
ES2049652A1 (es) | 1994-04-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19981001 |