tert-butyl 7-(7-methyl-2,4-dioxo-8-((2S,3R,4R,5R)-2,3,4,5,6-pentahydroxyhexylamino)-3,4-dihydrobenzo[g]pteridin-10(2H)-yl)heptanoate                                                                                                                                                                                              以
                                                                                         
盐酸   、                                                                                         
1,4-二氧六环                                                                                  为溶剂,
                                                                                                                                                    反应 1.0h,
                                                                                                                以to give 7-(7-methyl-2,4-dioxo-8-((2S,3R,4R,5R)-2,3,4,5,6-pentahydroxyhexylamino)-3,4-dihydrobenzo[g]pteridin-10(2H)-yl)heptanoic acid (23 mg, Yield: 75%)的产率得到7-(7-methyl-2,4-dioxo-8-((2S,3R,4R.5R)-2,3,4,5,6-pentahydroxyhexylamino)-3,4-dihydrobenzo[g]pteridin-10(2H)-yl)heptanoic acid