Arachidonic acid (I) was converted to the mixed anhydride (II) upon treatment with isobutyl chloroformate and triethylamine. Subsequent condensation of (II) with 2-chloroethylamine (III) provided the target amide.
Arachidonic acid (I) was converted to the mixed anhydride (II) upon treatment with isobutyl chloroformate and triethylamine. Subsequent condensation of (II) with cyclopropylamine (III) provided the target amide.