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2 078 080

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Application

94003625/04, 1994-02-02

(22)

Actual filing date

1994-02-02

(45)

Published

1997-04-27

(72)

Inventor

(73)

Holder

Akat'Ev Vitalij Evgen'Evich

METHOD OF SYNTHESIS OF THIOBARBITURIC ACID Russian patent published in 1997 - IPC

Abstract RU 2078080 C1

FIELD: organic chemistry and technology. SUBSTANCE: product: thiobarbituric acid. Reagent 1: 2-thio-4-oxo-6-iminopyridine, its tautomeric form or its alkaline metal salt. Reagent 2: mineral acid aqueous solution. Reaction conditions: molar ratio reagent 2 : reagent 1 = (2.0-8.5):1.0, at 20-90 C for 130-1500 min. Synthesized compound is used in analytical chemistry, for synthesis of bioactive compounds. EFFECT: improved method of synthesis. 1 tbl

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RU 2 078 080 C1

Authors

Dates

1997-04-27—Published

1994-02-02—Filed

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