Carbonic acid (2R,3S,4R,5R)-4-azido-2-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-5-{4-[2-(4-nitro-phenyl)-ethoxycarbonylamino]-2-oxo-2H-pyrimidin-1-yl}-tetrahydro-furan-3-yl ester 2-(4-nitro-phenyl)-ethyl ester 在
水 、
三苯基膦 作用下,
以
四氢呋喃 为溶剂,
反应 72.0h,
以91%的产率得到(1-{(2R,3R,4S,5R)-4-Hydroxy-5-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-3-[2-(4-nitro-phenyl)-ethoxycarbonylamino]-tetrahydro-furan-2-yl}-2-oxo-1,2-dihydro-pyrimidin-4-yl)-carbamic acid 2-(4-nitro-phenyl)-ethyl ester