pent-4-enyl 4-acetamido-3-O-acetyl-4,6-dideoxy-2-O-methyl-β-D-glucopyranosyl-(1->3)-2,4-di-O-acetyl-α-L-rhamnopyranosyl-(1->3)-2,4-di-O-acetyl-α-L-rhamnopyranosyl-(1->2)-3,4-di-O-acetyl-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87%的产率得到5-thioacetylpentyl 4-acetamido-3-O-acetyl-4,6-dideoxy-2-O-methyl-β-D-glucopyranosyl-(1->3)-2,4-di-O-acetyl-α-L-rhamnopyranosyl-(1->3)-2,4-di-O-acetyl-α-L-rhamnopyranosyl-(1->2)-3,4-di-O-acetyl-α-L-rhamnopyranoside