methyl 5-acetamido-4,7,8-tri-O-acetyl-9-azido-3,5,9-trideoxy-3-fluoro-D-erythro-α-L-manno-non-2-ulopyranosonate                                                                                                                                                              在
                                                                                                                                                                                 
4,4'-二氨基二苯乙烯-2,2'-二磺酸                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 0.5h,
                                                                                                                以0.29 g的产率得到methyl 5-acetamido-4,7,8-tri-O-acetyl-9-azido-2,3,5,9-tetradeoxy-3-fluoro-D-erythro-β-L-manno-non-2-ulopyranosonate fluoride