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2 022 957

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C1

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IPC

(21) (22)

Application

5048446/04, 1992-06-18

(22)

Actual filing date

1992-06-18

(45)

Published

1994-11-15

(72)

Inventor

Pantukh B.I.Logutov I.Ju.Ljubimov N.V.Rutman G.I.

(73)

Holder

Sterlitamakskij Neftekhimicheskij Zavod

METHOD OF SYNTHESIS OF 3,5-DI-TERT-BUTYL-4-HYDROXYMETHOXYBENZILE ALCOHOL Russian patent published in 1994 - IPC

Abstract RU 2022957 C1

FIELD: organic chemistry. SUBSTANCE: N,N, N,N,N′,N′-tetramethylmethylenebisamine is used as a catalyst at the following mole ratio of components: 2,6-di-tert.-butylphenol:formaldehyde:methanol: bisamine = 1.0:1.0-1.5:10-15:0.01-0.50, and process is carried out at 60-100 C. Product is used as effective stabilizing agent of polymeric materials and as initial product for synthesis of high effective multinuclear phenolic stabilizing agents. EFFECT: simplified method, improved quality of the end product. 1 tbl

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RU 2 022 957 C1

Authors

Pantukh B.I.

Logutov I.Ju.

Ljubimov N.V.

Rutman G.I.

Dates

1994-11-15—Published

1992-06-18—Filed

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