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2 030 386

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C1

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IPC

(21) (22)

Application

5048836/04, 1992-06-23

(22)

Actual filing date

1992-06-23

(45)

Published

1995-03-10

(72)

Inventor

Manzurov V.D.Morozov V.M.Kovalev L.S.

(73)

Holder

Nauchno-Issledovatel'Skij I Proektnyj Institut Monomerov S Opytnym Zavodom

METHOD OF SYNTHESIS OF NAPHTHALENE-2,6-DICARBOXYLIC ACID Russian patent published in 1995 - IPC

Abstract RU 2030386 C1

FIELD: organic chemistry. SUBSTANCE: product: naphthalene-2,6-dicarboxylic acid, empirical formula is C12H9O4, color index is 841-1260 degree. Reagent 1: 2,6-dimethylnaphthalene. Reagent 2: oxygen-containing gas. Reaction conditions: in the presence of catalyst containing nickel at the ratio of g-atoms Ni:(Co + Mn):Br (0.05-0.5):100:(50-100), at heating, under pressure. EFFECT: improved method of synthesis. 1 tbl

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RU 2 030 386 C1

Authors

Manzurov V.D.

Morozov V.M.

Kovalev L.S.

Dates

1995-03-10—Published

1992-06-23—Filed

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