METHOD FOR PREPARATION OF 5-FLUORO-2-METHYL-3-NITROBENZOIC ACID AND ITS METHYL ESTER

METHOD FOR PREPARATION OF 5-FLUORO-2-METHYL-3-NITROBENZOIC ACID AND ITS METHYL ESTER

The invention discloses a method for preparation of 5-fluoro-2-methyl-3-nitrobenzoic acid and its methyl ester by conversion of 5-fluoro-2-methylbenzoic acid with fuming nitric acid and oleum and subsequent conversion with methanol. L'invention concerne un procédé de préparation d'acide 5-...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: HANSELMANN, Paul, FILLIGER, Sarah, BERSIER, Michael, KULESZA, Anna, AELLIG, Christof
Format: Patent
Sprache:eng ; fre
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:The invention discloses a method for preparation of 5-fluoro-2-methyl-3-nitrobenzoic acid and its methyl ester by conversion of 5-fluoro-2-methylbenzoic acid with fuming nitric acid and oleum and subsequent conversion with methanol. L'invention concerne un procédé de préparation d'acide 5-fluoro-2-méthyl-3-nitrobenzoïque et de son ester méthylique par conversion de l'acide 5-fluoro-2-méthylbenzoïque avec de l'acide nitrique fumant et de l'oléum et la conversion subséquente avec du méthanol.