Acetic acid (2R,3S,4R,6S)-2-acetoxymethyl-6-[5-(5,11-dimethyl-11H-10,11-diaza-benzo[b]fluoren-3-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59%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-3-yloxy)-pentyloxy]-4-hydroxy-2-hydroxymethyl-tetrahydro-pyran-3-yloxy}-6-hydroxymethyl-tetrahydro-pyran-3,4,5-triol