反应详情

Following a procedure similar to that described in Example 74(d), but using 0.90 g of 4-(1-hydroxy-2-methylpropyl)-2-propyl-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, 0.64 g of the title compound was obtained as a powder, melting at 153°-157° C.