METHOD FOR PREPARING OF 2- (2- (2- THIENYL)ETHYL) BENZOIC ACID

This method is electrochemical and may find application in the chemical-pharmaceutical industry. The method affords a product of high purity, without employing recyclable reagents. According to the method, an electrochemical reduction of 2-[2-(2-thienyl)vinyl]benzoic acid is carried out in water sol...

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Main Authors GEORGIEV, ATANAS G, TRAJKOV, KOSTADIN P, PANDEV, ANTON SHT, KATSOV, GEORGI I, PESHEVA, IRINA A, VALEV, VALCHO V, CHAPKANOV, KHRISTO V, STANOEVA, TOTKA V, EVSTATIEVA, ANKA V, MERDZHANOVA, DELA N, AGAIN, IVAN A, BRANKOV, NIKOLAJ B, KAZANDZHIEV, MARIN G, DOLAPCHIEVA, MARGARITA J, NISIMOV, JOSIF N, ELENKOV, NIKOLAJ D, ZLATINOVA, ANNA N
Format Patent
LanguageEnglish
Published 15.02.1991
Edition5
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:This method is electrochemical and may find application in the chemical-pharmaceutical industry. The method affords a product of high purity, without employing recyclable reagents. According to the method, an electrochemical reduction of 2-[2-(2-thienyl)vinyl]benzoic acid is carried out in water solutions of salts and hydroxides of alkaline metals in a 1:2 to 1:20 ratio, using hard metal cathodes with large hydrogen overload, at a cathode current density of 2 to 20 A/dm and at a temperature of 20-30 degrees C. Thereafter, the 2-[2-(2-thienyl)ethyl]benzoic acid is separated.
Bibliography:Application Number: BG19880085179