N-{(1R)-1-[N-(2-{2-[2-((fluoren-9-ylmethoxycarbonyl)amino)acetylamino]phenyl}ethyl)-N-methylcarbamoyl]-2-(2-naphthyl)ethyl}-N-methylcarbamic acid tert-butyl ester 在
乙醚 、
盐酸 作用下,
以
盐酸 、
乙酸乙酯 为溶剂,
反应 2.25h,
以to give 1.198 g of crude [(2-(2-[N-methyl-N-((2R)-2-methylamino-3-(2-naphthyl)propionyl)amino]ethyl}phenylcarbamoyl)methyl]carbamic acid (fluoren-9-yl)methyl ester as hydrochloride, which的产率得到[(2-{2-[N-methyl-N-((2R)-2-methylamino-3-(2-naphthyl)propionyl)amino]ethyl}phenylcarbamoyl)methyl]carbamic acid (fluoren-9-yl)methyl ester