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1 782 001

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A1

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IPC

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Application

4920015/04, 1991-02-15

(22)

Actual filing date

1991-02-15

(45)

Published

1996-01-10

(72)

Inventor

Koz'Minykh V.O.Syropjatov B.Ja.Zykova N.A.Bormotova S.V.

N-TOLUYL HYDRAZINE OF MALEIC ACID POSSESSING ANTIHYPOXIA ACTIVITY Russian patent published in 1996 - IPC

Abstract SU 1782001 A1

FIELD: medicine. SUBSTANCE: desired product has essential formula C12H12N2O4, its melting point being 181-182 C (with decomposition). Hydrazide of p-toluyl acid is used as reagent 1, maleic anhydride being used as reagent 2. Reaction is carried out in the medium of acetonitrile. Yield of desired product is 98 %. EFFECT: improves quality of desired product. 1 tbl

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SU 1 782 001 A1

Authors

Koz'Minykh V.O.

Syropjatov B.Ja.

Zykova N.A.

Bormotova S.V.

Dates

1996-01-10—Published

1991-02-15—Filed

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