<2S-<2α,3β,4α(S*)>>-1-<2,4,6-trideoxy-4-(methylthio-β-D-ribo-hexopyranosyl)oxy>-4-hydroxy-5-(1-hydroxyethyl)-2-methoxy-3-pyrrolidinyl 2,4-dideoxy-3-O-methyl-4-<(1-methylethyl)amino>-α-L-threopentopyranoside 在
盐酸 、
4-二甲氨基吡啶 作用下,
以
二氯甲烷 为溶剂,
生成
Methyl 2,6-dideoxy-4-S-methyl-4-thio-D-ribo-hexopyranoside