反应详情

Except for using 4-formylbenzoic acid (112 mg) in place of 4-(diethoxymethyl)benzaldehyde and using 8-cyclohexyl-2,8-diazaspiro[4.5]decane (170 mg) in place of 8-isobutyl-2,8-diazaspiro[4.5]decane, the same operation as in Example 26 was performed to obtain the title compound (450 mg) having the following physical properties.