反应详情

Following a procedure similar to that described in Example 74(d), but using 0.34 g of 2-butyl-4-(1-hydroxy-2,2-dimethylpropyl)-1-{4-[2-(tetrazol-5-yl)phenyl]phenyl}methylimidazole-5-carbonitrile [prepared as described in step (c) above] in a 1N aqueous solution of sodium hydroxide. 0.30 g of the title compound was obtained as a powder, melting at 157°-160° C.