反应详情

In the same manner as in Example 1 (1), the object compound was obtained using diethyl isobutylmalonate (10.0 g). This and trans-β-styrenesulfonamide (2.91 g) were condensed in the same manner as in Example 152 (3). The condensed product was subjected to hydrolysis in the same manner as in Example 1 (3) to give the title compound (4.99 g) as an oil.