GR78232

3-Acylazo-propionic acid esters of the general formula I and isomers thereof (in which R1 represents C1-C6-alkyl and R2 represents alkoxy or amino), suitable as starting materials for the manufacture of 1,2,3-thiadiazole-5- carboxylic acid derivatives, are prepared by a process which comprises react...

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Bibliographic Details
Main Author HANS-RUDOLF KRUGER
Format Patent
LanguageEnglish
Published 26.09.1984
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Summary:3-Acylazo-propionic acid esters of the general formula I and isomers thereof (in which R1 represents C1-C6-alkyl and R2 represents alkoxy or amino), suitable as starting materials for the manufacture of 1,2,3-thiadiazole-5- carboxylic acid derivatives, are prepared by a process which comprises reacting an acrylic acid ester of the general formula H2C=CH-COOR1 with a hydrazine derivative of the general formula H2N-NH-CO-R2 to form a 3- acylhydrazino-propionic acid ester of the general formula and oxidizing this ester in an inert solvent with an oxidizing agent.
Bibliography:Application Number: GR19810165666