N-(2-Aminoethyl)-9-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydro-2-furanyl]-6-[(2,2-diphenylethyl)amino]-9H-purine-2-carboxamide 、 N-[2-(1-Piperidinyl)ethyl]-1H-imidazole-1-carboxamide 在
silica gel 、
二氯甲烷 、
乙醚 作用下,
以
甲苯 、
异丙醇 为溶剂,
反应 4.0h,
以to afford the title compound as a white powder (85 mg)的产率得到9-[(2R,3R,4S,5R)-3,4-Dihydroxy-5-(hydroxymethyl)tetrahydro-2-furanyl]-6-[(2,2-diphenylethyl)amino]-N-{2-[(([2-(1-piperidinyl)ethyl]amino}carbonyl)amino]ethyl}-9H-purine-2-carboxamide