[9-((2R,3R,4R,5R)-4-{2-[Dimethyl-(1,1,2-trimethyl-propyl)-silanyloxy]-ethoxy}-3-trityloxy-5-trityloxymethyl-tetrahydro-furan-2-yl)-9H-purin-6-yl]-trityl-amine 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
反应 4.0h,
以88%的产率得到2-{(2R,3R,4R,5R)-5-[6-(Trityl-amino)-purin-9-yl]-4-trityloxy-2-trityloxymethyl-tetrahydro-furan-3-yloxy}-ethanol