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2 036 895

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IPC

(21) (22)

Application

93015890/04, 1993-03-25

(22)

Actual filing date

1993-03-25

(45)

Published

1995-06-09

(72)

Inventor

Liakumovich A.G.Samuilov Ja.D.Gol'Dberg Ju.M.Kondrashova M.N.Gubajdullin L.Ju.Galiullina T.N.Ryzhikova T.Ja.Kostina L.A.Maevskij E.I.Rozenfel'D A.S.Kaminskij Ju.G.Khazanov V.A.Saratikov A.S.Trifonov S.V.Khismatullin A.N.

(73)

Holder

Tatarskij Tekhnologicheskij Nauchnyj Tsentr Kazanskogo Gosudarstvennogo Tekhnologicheskogo Universiteta

METHOD OF SUCCINIC ACID SYNTHESIS Russian patent published in 1995 - IPC

Abstract RU 2036895 C1

FIELD: organic chemistry. SUBSTANCE: product: succinic acid, empirical formula is C₄H₆O₄, m. p. is 185-187 C. Reagent 1: butadiene rubber. Reagent 2: ozone-air or ozone-oxygen mixture. Reaction conditions: in the medium of tetrachloroethane or pentachloroethane in the presence of water and acetic acid at molar ratio (as butadiene fragment), butadiene rubber:ozone:acetic acid = 1:1:(1-12):(0.3-4.0), respectively, following by additional oxidation of prepared product with ozone-air or ozone-oxygen mixture. EFFECT: improved method of synthesis. 3 cl

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RU 2 036 895 C1

Authors

Liakumovich A.G.

Samuilov Ja.D.

Gol'Dberg Ju.M.

Kondrashova M.N.

Gubajdullin L.Ju.

Galiullina T.N.

Ryzhikova T.Ja.

Kostina L.A.

Maevskij E.I.

Rozenfel'D A.S.

Kaminskij Ju.G.

Khazanov V.A.

Saratikov A.S.

Trifonov S.V.

Khismatullin A.N.

Dates

1995-06-09—Published

1993-03-25—Filed