1-<5'-O-(p-monomethoxytrityl)-2'-deoxy-2'-C-(1-oxo-2-phenyl)ethyl-β-D-ribofuranosyl>thymine 在
sodium tetrahydroborate 、
苯磺酸 作用下,
以
甲醇 为溶剂,
反应 2.0h,
生成 1-[(4S,4aR,5R,7R,7aS)-4-Benzyl-7-(1-methoxy-1-methyl-ethoxymethyl)-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxin-5-yl]-5-methyl-1H-pyrimidine-2,4-dione