反应详情

Following a procedure similar to that described in Example 36, 0.54 g of ethyl 2-butyl-4-(1-hydroxyethyl)-1-{4-[2-(tetrazol-5-yl)phenyl]phenyl}methylimidazole-5-carboxylate [prepared as described in Example 43(b)] was hydrolyzed, using 245 mg of lithium hydroxide monohydrate, to give 0.43 g of the title compound as a powder, melting at 214°-217° C.