tert-butyl 7-(8-chIoro-7-methyl-2,4-dioxo-3,4-dihydrobenzo[g]pteridin-10(2H)-yl)heptanoate 、
环丙胺 在
氮气 、 silica gel 、
二氯甲烷 、
methanol-dichloromethane 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 18.0h,
以2, 3 then 4% MeOH/DCM) to give 27 mg (50%) of tert-butyl 7-[8-(cyclopropylamino)-7-methyl-2,4-dioxo-3,4-dihydrobenzo pteridin-10(2H)-yl]heptanoate (I) as a red solid的产率得到tert-butyl 7-[8-(cyclopropylamino)-7-methyl-2,4-dioxo-3,4-dihydrobenzo[g]pteridin-10(2H)-yl]heptanoate