[4-(7,8-dimethyl-2,4-dioxo-3,4-dihydro-2H-benzo[g]pteridin-10-yl)butylamino]acetic acid tert-butyl ester 以
trifluoracetic acid-dichloromethane 为溶剂,
反应 1.0h,
以to give [4-(7,8-dimethyl-2,4-dioxo-3,4-dihydro-2H-benzo[g]pteridin-10-yl)-butylamino]-acetic acid (6.47 mg, Yield: 93%) as a yellow powder的产率得到[4-(7,8-dimethyl-2,4-dioxo-3,4-dihydro-2H-benzo[g]pteridin-10-yl)butylamino]acetic acid