Method of producing 2,2 {40 -methylenebis(4,6-dialkylphenols)

Method of producing 2,2 {40 -methylenebis(4,6-dialkylphenols)

A method of producing 2,2'-methylenebis(4,6-dialkylphenols) residing in that 2,4-dialkylphenols interact with acetals in the presence of an acid catalyst at a temperature from 30 DEG C to 140 DEG C with the formation of a reaction mixture containing the desired product and with subsequent separ...

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Hauptverfasser: MICHUROV, JURY IVANOVICH, RUTMAN, GRIGORY IOSIFICH, GURVICH, YAKOV ABRAMOVICH, KUMOK, SIMONA TEVIEVNA, GRINBERG, ALEXANDR AFROIMOVICH, STARIKOVA, OLGA FEDOROVNA, LIAKUMOVICH, ALEXANDR GRIGORIEVICH, YANSHEVSKY, VLADIMIR AVGUSTOVICH, STYSKIN, EVGENY LVOVICH
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Zusammenfassung:A method of producing 2,2'-methylenebis(4,6-dialkylphenols) residing in that 2,4-dialkylphenols interact with acetals in the presence of an acid catalyst at a temperature from 30 DEG C to 140 DEG C with the formation of a reaction mixture containing the desired product and with subsequent separation of the desired product from said mixture, the starting reagents being taken in amounts of 1 mole of 2,4-dialkylphenol per 1-10 moles of acetal.