2,3,5-tri-O-acetyl-β-D-arabinofuranosyl bromide 、
8,8-dimethyl-2-(methylsulfanyl)-5-(4-nitrophenyl)-5,8,9,10-tetrahydropyrimido[4,5-b]quinoline-4,6(3H,7H)-dione 在
potassium hydroxide 作用下,
以
水 、
丙酮 为溶剂,
反应 24.0h,
以64%的产率得到8,8-dimethyl-2-methylthio-5-(4-nitrophenyl)-10-(2',3',5'-tri-O-acetyl-β-D-arabino-furanosyl)-5,8,9,10-tetrahydropyrimido[4,5-b]quinoline-4,6-dione