7-Allyl-8-chloro-3-methyl-3,7-dihydropurine-2,6-dione 、
N-Boc-哌嗪 在
silica gel 作用下,
反应 0.83h,
以to obtain 584 mg of the title compound from a fraction的产率得到4-(7-allyl-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperazine-1-carboxylic acid tert-butyl ester