METHOD OF PRODUCING ω-BROMOACETOACETIC ANILIDES

METHOD OF PRODUCING ω-BROMOACETOACETIC ANILIDES

PROBLEM TO BE SOLVED: To provide a method of producing ω-bromoacetic anilides which can use not only halogen-based solvent, alcohol solvent or organic acid solvent but also various organic solvents and regioselectively and highly efficiently brominates acetoacetic anilides, thereby producing ω-bromo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NAGASAKI NOBUTAKA, YAMAMOTO TOSHIKI, MIYATA TAKUYA
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a method of producing ω-bromoacetic anilides which can use not only halogen-based solvent, alcohol solvent or organic acid solvent but also various organic solvents and regioselectively and highly efficiently brominates acetoacetic anilides, thereby producing ω-bromoacetoacetic anilides, the method having a wide range of applying a base.SOLUTION: By reacting acetoacetic anilides with pyridinium bromide perbromide in an organic solvent, ω-bromoacetoacetic anilides are selectively obtained.