methyl (3-{[[3-(6-amino-2-butoxy-8-oxo-7,8-dihydro-9H-purin-9-yl)propyl](piperidin-4-yl)amino]methyl}phenyl)acetate 、
乙酰氯 以
乙腈 为溶剂,
反应 16.0h,
以to afford the title compound as a white solid, yield 69 mg的产率得到methyl [3-({(1-acetylpiperidin-4-yl)[3-(6-amino-2-butoxy-8-oxo-7,8-dihydro-9H-purin-9-yl)propyl]amino}methyl)phenyl]acetate