3-[(S)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-3-methoxy-1-(4-methoxy-phenyl)-4-oxo-azetidine-2-carbaldehyde 在
sodium tetrahydroborate 作用下,
以
乙醇 为溶剂,
反应 0.5h,
以88%的产率得到3-[(S)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-4-hydroxymethyl-3-methoxy-1-(4-methoxy-phenyl)-azetidin-2-one