3,4,6-tri-O-acetyl-2-deoxy-2-trifluoroacetamido-α-D-glucospyranosyl bromide 、
7-乙基-10-羟基喜树碱 在
氢氧化钾 作用下,
以
丙酮 为溶剂,
反应 3.0h,
以2.1%的产率得到Acetic acid (2R,3S,4R,5R,6S)-3-acetoxy-2-acetoxymethyl-6-((S)-4,11-diethyl-4-hydroxy-3,13-dioxo-3,4,12,13-tetrahydro-1H-2-oxa-6,12a-diaza-dibenzo[b,h]fluoren-9-yloxy)-5-(2,2,2-trifluoro-acetylamino)-tetrahydro-pyran-4-yl ester