(S)-tert-Butoxycarbonylamino-[(2R,3S,4R,5R)-5-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-3,4-dihydroxy-tetrahydro-furan-2-yl]-acetic acid 在
三氟乙酸 作用下,
以
甲醇 、
乙酸乙酯 为溶剂,
反应 0.5h,
生成 (S)-Amino-[(2R,3S,4R,5R)-5-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-3,4-dihydroxy-tetrahydro-furan-2-yl]-acetic acid benzyl ester; compound with trifluoro-acetic acid