tert-butyl (2-(8-(cyclopentyloxy)-7-methyl-2,4-dioxo-3,4-dihydrobenzo[g]pteridin-10(2H)-yl)ethyl)(2-(trifluoromethyl)benzyl)carbamate 、
三氟乙酸 在
8-(cyclopentyloxy)-7-methyl-10-(2-((2-(trifluoromethyl)benzyl)amino)ethyl)benzo[g]pteridine-2,4(3H,10H)-dione trifluoroacetate 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以The desired product 8-(cyclopentyloxy)-7-methyl-10-(2-((2-(trifluoromethyl)benzyl)amino)ethyl)benzo[g]pteridine-2,4(3H,10H)-dione 2,2,2-trifluoroacetic acid salt (12.4 mg, 71%) is obtained as a bright yellow solid的产率得到8-(cyclopentyloxy)-7-methyl-10-(2-((2-(trifluoromethyl)benzyl)amino)ethyl)benzo[g]pteridine-2,4(3H,10H)-dione trifluoroacetate