(S)-2-tert-Butoxycarbonylamino-3-phenyl-propionic acid (2S,3S,5R)-3-azido-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl ester 在
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
反应 0.5h,
以93%的产率得到(S)-2-Amino-3-phenyl-propionic acid (2S,3S,5R)-3-azido-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl ester; compound with trifluoro-acetic acid