2-[(3aR,4R,6R,6aR)-6-(6-Benzoylamino-purin-9-yl)-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-ylmethyl]-4-(tert-butyl-diphenyl-silanyloxy)-butyric acid 在
正丁基锂 、
氯化亚砜 作用下,
反应 2.5h,
生成
2',3'-isopropylidene-5'-(1-(2-methoxy-5-methylphenyl)-1-(tolylsulfonyl)-2-oxo-5-((tert-butyldiphenylsilyl)oxy)pent-3-yl)-5'-deoxyadenosine