pent-4-enyl 4,6-dideoxy-4-((S)-3-hydroxylbutanamido)-2-O-methyl-β-D-glucopyranosyl-(1->3)-α-L-rhamnopyranosyl-(1->3)-α-L-rhamnopyranosyl-(1->2)-α-L-rhamnopyranoside 、
硫代乙酸 在
偶氮二异丁腈 作用下,
以
1,4-二氧六环 为溶剂,
以89%的产率得到5-thioacetylpentyl 4,6-dideoxy-4-((S)-3-hydroxylbutanamido)-2-O-methyl-β-D-glucopyranosyl-(1->3)-α-L-rhamnopyranosyl-(1->3)-α-L-rhamnopyranosyl-(1->2)-α-L-rhamnopyranoside