sodium,[6-[4-[5-[3-[3,5-dihydroxy-6-methyl-4-(3,4,5-trihydroxy-6-methyloxan-2-yl)oxyoxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4-hydroxy-3-(3,4,5-trihydroxy-6-methyloxan-2-yl)oxyoxan-2-yl]oxy-3,5-dihydroxy-6-methyloxan-2-yl]oxy-17-(2-hydro 在
吡啶 作用下,
以
1,4-二氧六环 为溶剂,
反应 4.0h,
生成
3β,6α,20ξ-trihydroxy-23-oxo-5α-cholest-9(11)-en-6α-yl O-β-D-fucopyranosyl-(1->3)-O-β-D-fucopyranosyl-(1->2)-O-β-D-galactopyranosyl-(1->4)-O-<β-D-quinovopyranosyl-(1->2)>-O-β-D-xylopyranosyl-(1->3)-O-β-D-quinovopyranoside