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2 015 993

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IPC

(21) (22)

Application

5054916/05, 1992-07-16

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Actual filing date

1992-07-16

(45)

Published

1994-07-15

(72)

Inventor

Kedik S.A.Svergun V.I.Jartsev E.I.Sokolova A.S.Kalistratov S.G.Spiridonov A.V.Kalistratova V.S.Kalistratov G.V.

(73)

Holder

Farmatsevticheskaja Firma

COPOLYMER OF 2-METHYL-5-VINYLPYRIDINE AND N-VINYLPYRROLIDONE HAVING ANTITUMORAL ACTIVITY Russian patent published in 1994 - IPC

Abstract RU 2015993 C1

FIELD: medicine. SUBSTANCE: desired product has common formula where mesostatistic value of n being 35, yield of desired product being 20%. 2-methyl-5-vinylpyridine is used as reagent 1, N-vinylpyrrolidone is used as reagent 2, ratio of reagents being 1: 32-65 respectively. The process takes place by heating to 65-70 C in the presence of dinitrile of aso-bis-isobutyric acid, H₂O₂ and cyclohexane. EFFECT: improves quality of desired product. 1 tbl

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RU 2 015 993 C1

Authors

Kedik S.A.

Svergun V.I.

Jartsev E.I.

Sokolova A.S.

Kalistratov S.G.

Spiridonov A.V.

Kalistratova V.S.

Kalistratov G.V.

Dates

1994-07-15—Published

1992-07-16—Filed