tert-butyl (2S)-2-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]aziridine-1-carboxylate 、 3,5-DIFLUOROPHENYLMAGNESIUM BROMIDE 在
Copper;methylsulfanylmethane;dibromide 作用下,
以
四氢呋喃 为溶剂,
反应 16.0h,
以to afford the crude product (26) as a syrup的产率得到Tert-Butyl (1S)-2-(3,5-difluorophenyl)-1-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]ethylcarbamate