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2 065 431

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C1

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IPC

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Application

94011781/04, 1994-04-07

(22)

Actual filing date

1994-04-07

(45)

Published

1996-08-20

(72)

Inventor

Osadchenko I.M.Mudryj F.V.Glinskij Ju.D.Peshkov V.V.Bogach V.V.Berg O.V.

(73)

Holder

Volgogradskoe Aktsionernoe Obshchestvo Otkrytogo Tipa

METHOD FOR PRODUCTION OF 4-METHYL-2-ISOHEXYLPHENOL Russian patent published in 1996 - IPC

Abstract RU 2065431 C1

FIELD: organic synthesis. SUBSTANCE: desired product is prepared by alkylation of alkyl phenol with lower aliphatic secondary alcohol. The process is carried out at elevated temperature with the help of catalyst. Phosphorous-tungsten heteropolyacid having formula H7PW12042 is used as said catalyst. P-cresol is used as aforementioned origin phenol, methyl-tert-butyl carbinol is used as alkylating agent. Alkylation is carried out at 85-120 C, molar ratio of p-cresol and alcohol being 1.9-1. Quantity of catalyst is 1-2 % of mass of p-cresol. EFFECT: improves efficiency of the method. 2 cl

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RU 2 065 431 C1

Authors

Osadchenko I.M.

Mudryj F.V.

Glinskij Ju.D.

Peshkov V.V.

Bogach V.V.

Berg O.V.

Dates

1996-08-20—Published

1994-04-07—Filed

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