三氟乙酸 、
(S)-2-[(S)-2-Benzyloxycarbonylamino-4-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-butyrylamino]-3-hydroxy-propionic acid methyl ester 在
茴香硫醚 作用下,
反应 1.0h,
生成 (S)-2-[(S)-2-Amino-4-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-butyrylamino]-3-hydroxy-propionic acid methyl ester; compound with trifluoro-acetic acid