反应详情

Following a procedure similar to that described in Example 45(b), but using 1.13 g of 1-[(2'-t-butoxycarbonylbiphenyl-4-yl)methyl]-4-butyryl-2-propylimidazole-5-carbonitrile [prepared as described in step (a) above] and 0.091 g of sodium borohydride in 23 ml of ethanol, 1.07 g of the title compound were obtained as a viscous oil.