METHOD FOR PRODUCING 2,6-DIPHENYLPHENOL OR DERIVATIVE THEREOF

PROBLEM TO BE SOLVED: To provide a method for producing high-purity 2,6-diphenylphenol in a yield higher than that of a conventional method. SOLUTION: The method for producing the 2,6-diphenylphenol includes a first step for producing a 2-cyclohexyl-6-alkylphenol (5) by reacting a 2-alkylphenol (4)...

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Hauptverfasser:	NAKAGAWA YOSHITO, SAITO TORANOSUKE
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 producing high-purity 2,6-diphenylphenol in a yield higher than that of a conventional method. SOLUTION: The method for producing the 2,6-diphenylphenol includes a first step for producing a 2-cyclohexyl-6-alkylphenol (5) by reacting a 2-alkylphenol (4) with cyclohexene in the presence of an aluminum-based catalyst, and a second step for obtaining the 2,6-diphenylphenol (6) by dehydrogenating the obtained 2-cyclohexyl-6-alkylphenol (5) in the presence of a palladium catalyst or a platinum catalyst as shown in reaction formula (7) (wherein, R5is a phenyl group or a cyclohexyl group). COPYRIGHT: (C)2010,JPO&INPIT