METHOD OF PRODUCING (E)-4-(4-ACYLOXYPHENYL)-4-OXO-2-BUTENOIC ACID

摘要

Compounds of the formula (I): IMAGE (I) in which R1 represents alkyl containing from 1 to 18 carbon atoms, R2 represents hydrogen or alkyl containing from 1 to 8 carbon atoms and R represents hydrogen or alkyl containing from 1 to 8 carbon atoms, as well as the alkali metal, alkaline-earth metal or amine salts thereof, in which R represents hydrogen. Also, method of preparing same, compositions containing same and therapeutic treatment therewith.