7-benzoylamino-1,3-dimethyl-pyrimido[2,1-f]purine-1,2,3,4,6,9-hexahydro-2,4,6-trione 、
2,3,4,6-四乙酰氧基-alpha-D-吡喃葡萄糖溴化物 在
potassium hydroxide 作用下,
以
水 为溶剂,
以80%的产率得到7-benzoylamino-1,3-dimethyl-9-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl)pyrimido[2,1-f]purine-1,2,3,4,6,9-hexahydro-2,4,6-trione