bis(p-nitrophenyl)phosphorochloridothioate 、
N2-异丁酰基鸟苷一水合物 以
吡啶 为溶剂,
反应 3.5h,
以69%的产率得到Thiophosphoric acid O-((2R,3S,4R,5R)-3,4-dihydroxy-5-{2-[(Z)-isobutyrylimino]-6-oxo-1,2,3,6-tetrahydro-purin-9-yl}-tetrahydro-furan-2-ylmethyl) ester O',O''-bis-(4-nitro-phenyl) ester