(1S,2S,6S,7S,8S)-4,4-Dimethyl-10-oxo-9-phenylcarbamoyl-3,5,11-trioxa-9-aza-tricyclo[5.3.1.02,6]undecane-8-carboxylic acid methyl ester 在
sodium tetrahydroborate 作用下,
以
甲醇 为溶剂,
反应 0.5h,
以70%的产率得到3-phenyl-2,4-dioxoimidazolidin-5-yl 2,3-O-isopropylidene-β-ribofuranoside