(3beta,5alpha,17alpha)-3,14-Dihydroxycard-20(22)-enolide 、
3,4,6-tri-O-acetyl-2-deoxy-2-fluoro-α-D-glucopyranosyl bromide 在
molecular sieve 、 silver silicate 作用下,
以
1,2-二氯乙烷 为溶剂,
反应 24.0h,
以13%的产率得到3β-(3,4,6-tri-O-acetyl-2-deoxy-2-fluoro-α-D-glucopyranosyloxy)-14-hydroxy-5β,14β-card-20(22)-enolide