A facile and convenient synthesis of 5,5-dialkylthio- and 5-alkyl(or aryl)thio-2,4-pentadienoic acids

Article abstract of DOI:10.1055/s-1991-26377

The hydrolysis of 6,6-dialkylthio- and 6-alkyl(or aryl)thio-1,1,1-trifluoro-3,5-hexadien-2-ones 2, 5 with potassium hydroxide in ethanol proceeds quite easily to give the corresponding 2,4-pentadienoic acids 3, 6, respectively, in excellent yields. Bistri