methyl 2,3-O-isopropylidene-5-O-<γ-<(17-oxo-4-nitroestra-1,3,5(10)-trien-3-yl)oxy>propyl>-β-D-ribofuranoside 在
溶剂黄146 作用下,
反应 4.0h,
以50%的产率得到(8R,9S,13S,14S)-13-Methyl-4-nitro-3-[3-((2R,3S,4R)-3,4,5-trihydroxy-tetrahydro-furan-2-ylmethoxy)-propoxy]-6,7,8,9,11,12,13,14,15,16-decahydro-cyclopenta[a]phenanthren-17-one