N-{9-[(R)-1-Aminomethyl-2-(tert-butyl-diphenyl-silanyloxy)-ethoxymethyl]-9H-purin-6-yl}-benzamide 在
4-二甲氨基吡啶 、
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
生成 [(R)-2-(6-Benzoylamino-purin-9-ylmethoxy)-3-hydroxy-propyl]-carbamic acid (2R,3S,5R)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-3-yl ester