6α-(O-β-D-Chinovopyranosyl-(1->4)-O-β-D-chinovopyranosyl-(1->2)>-O-β-D-chinovopyranosyl-(1->3)-β-D-glucopyranosyloxy>-3β-hydroxy-5α-cholest-9(11)-en-23-on 、
碘甲烷 在
盐酸 、 sodium hydride 作用下,
以
甲醇 、
二甲基亚砜 为溶剂,
生成
Methyl-2,4,6-tri-O-methyl-α-D-glucopyranosid 、
methyl 6-deoxy-2,3-di-O-methyl-α-D-glucopyranoside 、
Methyl-2,4,6-tri-O-methyl-β-D-glucopyranosid 、
Methyl-3-O-methyl-α-D-chinovopyranosid 、 methyl 6-deoxy-2,3-di-O-methyl-α-D-altropyranoside