(2R,3R,4R,5R)-4-(acetyloxy)-2-(6-[(2,2-diphenylethyl)amino]-2-{[(isobutylsulphonyl)amino]methyl}-9H-purin-9-yl)-5-(2-ethyl-2H-tetrazol-5-yl)tetrahydro-3-furanyl acetate 在
sodium carbonate 作用下,
以
甲醇 、
水 为溶剂,
生成
N-({6-[(2,2-diphenylethyl)amino]-9-[(2R,3R,4S,5R)-5-(2-ethyl-2H-tetrazol-5-yl)-3,4-dihydroxytetrahydro-2-furanyl]-9H-purin-2-yl}methyl)-2-methyl-1-propanesulphonamide