反应详情

By an operation in the same manner as in Reference Example 3 and using cerium chloride (11.69 g), 3 mol/L methylmagnesium bromide-diethyl ether solution (13.55 mL) and benzyl (2S)-2-ethyl-3-oxopyrrolidine-1-carboxylate (3.35 g), the title compound was obtained as colorless oil (yield: 2.84 g, yield: 84%).