(3aR,7R,7aS)-7-(tert-Butyl-dimethyl-silanyloxy)-2,2-dimethyl-4-oxo-tetrahydro-[1,3]dioxolo[4,5-c]pyridine-5-carboxylic acid tert-butyl ester 在
sodium tetrahydroborate 作用下,
以
乙醇 为溶剂,
反应 43.0h,
以99%的产率得到1-(t-butoxycarbonyl)amino-2-O-(t-butyldimethylsilyl)-1-deoxy-3,4-O-isopropylidene-D-ribitol