METHOD FOR MANUFACTURING 2,7-DIBROMOFLUORENONE

PROBLEM TO BE SOLVED: To provide a method for industrially economically manufacturing 2,7-dibromofluorenone. SOLUTION: This method for manufacturing the 2,7-dibromofluorenone comprises oxidizing a raw material containing 2,7-dibromofluorene with molecular oxygen in the presence of a phase transfer c...

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Hauptverfasser:	KITAMURA NAOYUKI, SUGIO YOKO, MORI HIROAKI, YATANI TETSUO
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for industrially economically manufacturing 2,7-dibromofluorenone. SOLUTION: This method for manufacturing the 2,7-dibromofluorenone comprises oxidizing a raw material containing 2,7-dibromofluorene with molecular oxygen in the presence of a phase transfer catalyst such as a quaternary ammonium salt in a heterogeneous solvent mixture comprising an aqueous caustic alkali solution and a water-insoluble organic solvent. COPYRIGHT: (C)2004,JPO