3,4,6-tri-O-acetyl-2-deoxy-2-trifluoroacetamido-α-D-glucospyranosyl bromide 、
digiferrol 在
3 A molecular sieve 、
silver trifluoromethanesulfonate 作用下,
以
二氯甲烷 为溶剂,
反应 4.0h,
以21%的产率得到1,4-dihydroxy-2-((3,4,6-tri-O-acetyl-2-deoxy-2-((trifluoroacetyl)amino)-β-D-glucosyloxy)methyl)-9,10-dihydro-9,10-anthracenedione