Abstract
Starting from (all‐Z)‐eicosa‐5,8,11,14,17‐pentaenoic acid (EPA) and (all‐Z)‐4,7,10,13,16,19‐docosahexaenoic acid (DHA), several polyunsaturated fatty acids, containing a sulfur atom either in the chain or in a thiophene ring, have been synthesized as potential inhibitors of lipoxygenases.