Acetic acid (2R,3S,4R,6S)-2-acetoxymethyl-6-[5-(5,11-dimethyl-11H-10,11-diaza-benzo[b]fluoren-7-yloxy)-pentyloxy]-3-((2S,3R,4S,5S,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-4-yl ester 在
甲醇 、
potassium carbonate 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以42%的产率得到(2S,3R,4S,5R,6R)-2-{(2R,3S,4R,6S)-6-[5-(5,11-Dimethyl-11H-10,11-diaza-benzo[b]fluoren-7-yloxy)-pentyloxy]-4-hydroxy-2-hydroxymethyl-tetrahydro-pyran-3-yloxy}-6-hydroxymethyl-tetrahydro-pyran-3,4,5-triol