N-[(1,1-dimethylethoxy)carbonyl]-4-(1,3-diethyl-6-methyl-2,4-dioxo-5-pyrimidinyl)-L-phenylalanine methyl ester 、
盐酸 在
乙醚 作用下,
以
1,4-二氧六环 为溶剂,
反应 1.0h,
以under high vacuum to afford 0.72 g (47% yield) of 4-(1,3-diethyl-6-methyl-2,4-dioxo-5-pyrimidinyl)-L-phenylalanine methyl ester hydrochloride salt as an amorphous solid的产率得到4-(1,3-diethyl-6-methyl-2,4-dioxo-5-pyrimidinyl)-L-phenylalanine methyl ester hydrochloride salt