7-[(5,8-dimethoxy-7-methylnaphthalen-2-yl)methyl]-1,3-dimethyl-2,3,6,7-tetrahydro-1H-purine-2,6-dione 在
硝酸 、
溶剂黄146 作用下,
反应 1.0h,
以41.2%的产率得到1,3-dimethyl-7-[(7-methyl-5,8-dioxo-5,8-dihydronaphthalen-2-yl)methyl]-2,3,6,7-tetrahydro-1H-purine-2,6-dione