N-[9-(2',3',5'-tri-O-acetyl-β-D-ribofuranosyl)-purin-6-yl]pyridinium chloride 在
水 、
碳酸氢钠 作用下,
以37%的产率得到Acetic acid (2R,3R,4R,5R)-4-acetoxy-5-acetoxymethyl-2-(6-{1'-[9-((2R,3R,4R,5R)-3,4-diacetoxy-5-acetoxymethyl-tetrahydro-furan-2-yl)-9H-purin-6-yl]-1',4'-dihydro-4H-[4,4']bipyridinyl-1-yl}-purin-9-yl)-tetrahydro-furan-3-yl ester