(2R,3R,4S,5R)-2-{2-(aminomethyl)-6-[(2,2-diphenylethyl)amino]-9H-purin-9-yl}-5-(methoxymethyl)tetrahydro-3,4-furandiol 、
2-甲氧基-1-乙基磺酰氯 、
三乙胺 在
N-({9-[(2R,3R,4S,5R)-3,4-Dihydroxy-5-(methoxymethyl)tetrahydro-2-furanyl]-6-[(2,2-diphenylethyl)amino]-9H-purin-2-yl}methyl)-2-methoxy-1-ethanesulfonamide 、 crude product 、 silica gel 、 Ammonia methanol dichloromethane 作用下,
以
四氢呋喃 为溶剂,
以gave the title compound (225 mg) as an oil的产率得到N-({9-[(2R,3R,4S,5R)-3,4-Dihydroxy-5-(methoxymethyl)tetrahydro-2-furanyl]-6-[(2,2-diphenylethyl)amino]-9H-purin-2-yl}methyl)-2-methoxy-1-ethanesulfonamide