反应详情

(E)-3-[2-n-Butyl-1-[(2-chlorophenyl)methyl]-4-hydroxymethyl-1H-imidazol-5-yl]-2-benzyl-2-propenoic acid, prepared as in Example 28, is esterified with p-methoxy-benzyl alcohol to give the p-methoxybenzyl propenoate. The 4-hydroxymethyl group is oxidized using Jones reagent in acetone and the ester is hydrolized using 10% sodium hydroxide to give the title compound.