CO5680478A2 - PROCESS TO PREPARE INTERMEDIATES FOR ANTIBIOTICS OF QUINO CANVAS - Google Patents
PROCESS TO PREPARE INTERMEDIATES FOR ANTIBIOTICS OF QUINO CANVASInfo
- Publication number
- CO5680478A2 CO5680478A2 CO05003900A CO05003900A CO5680478A2 CO 5680478 A2 CO5680478 A2 CO 5680478A2 CO 05003900 A CO05003900 A CO 05003900A CO 05003900 A CO05003900 A CO 05003900A CO 5680478 A2 CO5680478 A2 CO 5680478A2
- Authority
- CO
- Colombia
- Prior art keywords
- quino
- canvas
- antibiotics
- prepare intermediates
- alkenyl
- Prior art date
Links
Landscapes
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
1.- Un proceso para preparar un intermedio de antibiótico de quinolona que tiene la fórmula: caracterizado porque R es alquilo C1-C2, fluoroalquilo C1-C2, alquenilo C2-C4, metoxi, cloro o bromo; R1 es una unidad escogida del grupo formado por alquilo C1-C2, alquenilo C2-C3, cicloalquilo C3-C5 y fenilo, cada una de las cuales puede ser sustituida por uno o más átomos de flúor; el proceso comprende el paso de ciclizar una mezcla de precursores de quinolona; la mezcla comprende un intermedio de 2-etoxi sustituido que tiene la fórmula: en presencia de un agente de sililación.1.- A process for preparing a quinolone antibiotic intermediate having the formula: characterized in that R is C1-C2 alkyl, C1-C2 fluoroalkyl, C2-C4 alkenyl, methoxy, chlorine or bromine; R1 is a unit selected from the group consisting of C1-C2 alkyl, C2-C3 alkenyl, C3-C5 cycloalkyl and phenyl, each of which may be substituted by one or more fluorine atoms; the process comprises the step of cycling a mixture of quinolone precursors; The mixture comprises a substituted 2-ethoxy intermediate having the formula: in the presence of a silylating agent.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CO05003900A CO5680478A2 (en) | 2005-01-19 | 2005-01-19 | PROCESS TO PREPARE INTERMEDIATES FOR ANTIBIOTICS OF QUINO CANVAS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CO05003900A CO5680478A2 (en) | 2005-01-19 | 2005-01-19 | PROCESS TO PREPARE INTERMEDIATES FOR ANTIBIOTICS OF QUINO CANVAS |
Publications (1)
Publication Number | Publication Date |
---|---|
CO5680478A2 true CO5680478A2 (en) | 2006-09-29 |
Family
ID=42138695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CO05003900A CO5680478A2 (en) | 2005-01-19 | 2005-01-19 | PROCESS TO PREPARE INTERMEDIATES FOR ANTIBIOTICS OF QUINO CANVAS |
Country Status (1)
Country | Link |
---|---|
CO (1) | CO5680478A2 (en) |
-
2005
- 2005-01-19 CO CO05003900A patent/CO5680478A2/en not_active Application Discontinuation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Application granted | ||
FD | Application lapsed |