(3aS,5R,6R,6aS)-6-((tert-butyldimethylsilyl)oxy)-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxole-5-carbaldehyde 在
叔丁基锂 作用下,
以
hexanes 、
乙醚 为溶剂,
反应 2.58h,
以40%的产率得到(S)-{3-[4-(tert-butyl-dimethyl-silanyloxy)-benzyl]-4-chloro-phenyl}-[(3aS,5S,6R,6aS)-6-(tert-butyl-dimethyl-silanyloxy)-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl]-methanol