CO5680478A2 - PROCESS TO PREPARE INTERMEDIATES FOR ANTIBIOTICS OF QUINO CANVAS - Google Patents

PROCESS TO PREPARE INTERMEDIATES FOR ANTIBIOTICS OF QUINO CANVAS

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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
Application number
CO05003900A
Other languages
Spanish (es)
Inventor
Jared Lynn Randall
Original Assignee
Procter & Gamble
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Procter & Gamble filed Critical Procter & Gamble
Priority to CO05003900A priority Critical patent/CO5680478A2/en
Publication of CO5680478A2 publication Critical patent/CO5680478A2/en

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  • 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.

CO05003900A 2005-01-19 2005-01-19 PROCESS TO PREPARE INTERMEDIATES FOR ANTIBIOTICS OF QUINO CANVAS CO5680478A2 (en)

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)

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