(Rs,2R,3R)-benzyl 2-(tert-butoxycarbonyloxy)-4-chloro-4-ethyl-3-(tert-butanesulfinylamino)hexanoate 在
potassium carbonate 作用下,
以
丙酮 为溶剂,
以79%的产率得到(R
s,2R,2'S)-benzyl 2-(tert-butoxycarbonyloxy)-2-(3,3-diethyl-1-tert-butanesulfinylaziridin-2-yl)acetate