{1-[(2R,3R,4R,5R)-5-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-4-(hydroxy-phenylsulfanyl-phosphoryloxy)-3-(tetrahydro-pyran-2-yloxy)-tetrahydro-furan-2-yl]-2-oxo-1,2-dihydro-pyrimidin-4-yl}-carbamic acid 2,2,2-trichloro-1,1-dimethyl-ethyl ester; compound with triethyl-amine 、 (1,1,1-trichloro-2-methylpropan-2-yl) N-[9-[(2R,3R,4R,5R)-3-(2-ethoxyethoxy)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]purin-6-yl]-N-(1,1,1-trichloro-2-methylpropan-2-yl)oxycarbonylcarbamate 在
2,4,5,6-四甲基苯二磺酸氯 、
3-硝基-1,2,4-三氮唑 作用下,
以
吡啶 为溶剂,
反应 1.0h,
以73%的产率得到(1,1,1-trichloro-2-methylpropan-2-yl) N-[9-[(2R,3R,4R,5R)-5-[[[(2R,3R,4R,5R)-2-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-4-(oxan-2-yloxy)-5-[2-oxo-4-[(1,1,1-trichloro-2-methylpropan-2-yl)oxycarbonylamino]pyrimidin-1-yl]oxolan-3-yl]oxy-phenylsulfanylphosphoryl]oxymethyl]-3-(2-ethoxyethoxy)-4-hydroxyoxolan-2-yl]purin-6-yl]-N-(1,1,1-trichloro-2-methylpropan-2-yl)oxycarbonylcarbamate