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2 039 737

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Application

93045150/04, 1993-09-22

(22)

Actual filing date

1993-09-22

(45)

Published

1995-07-20

(72)

Inventor

Nijazov N.A.Pantukh B.I.Voronina O.A.

(73)

Holder

Sterlitamakskij Neftekhimicheskij Zavod

METHOD OF SYNTHESIS OF DERIVATIVES OF 3-(3,5-DI-TERT-BUTYLPHENYL)-THIOPROPIONIC ACID Russian patent published in 1995 - IPC

Abstract RU 2039737 C1

FIELD: chemistry of sulfur-organic compounds. SUBSTANCE: product: compound of the formula (I) (4-OH)-(3,5-tert.-butyl)-C6H2-S-(CH2)2-R where R a) C(O)OCH3; b) CN; c) 2,2′-methylene-bis-6-tert.-butyl-4-methyloxycarboxy. Reagent 1: 4-mercapto-2,6-di-tert.-butylphenol. Reagent 2: acrylate of the formula (II): CH2=CHR. Reaction conditions: in acetonitrile medium, in the presence of catalyst potassium fluoride, at molar ratio of reagents 1:(1-1.2): (0.01-0.14), respectively, at 10-50 C. EFFECT: improved method of synthesis. 3 tbl

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RU 2 039 737 C1

Authors

Nijazov N.A.

Pantukh B.I.

Voronina O.A.

Dates

1995-07-20—Published

1993-09-22—Filed

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