(4E,6R,8R,9R,10R,13E)-9-[tert-butyl(dimethyl)silyl]oxy-2-[[4-[tert-butyl(dimethyl)silyl]oxy-2-methoxyphenyl]methyl]-17-methoxy-18,20-bis(methoxymethoxy)-8-[6-(tritylamino)purin-9-yl]-7,11-dioxa-2-azatricyclo[14.3.1.06,10]icosa-1(19),4,13,16(20),17-pentaen-3-one 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
反应 0.17h,
以97%的产率得到(4E,6R,8R,9R,10S,13E)-9-hydroxy-2-[(4-hydroxy-2-methoxyphenyl)methyl]-17-methoxy-18,20-bis(methoxymethoxy)-8-[6-(tritylamino)purin-9-yl]-7,11-dioxa-2-azatricyclo[14.3.1.06,10]icosa-1(19),4,13,16(20),17-pentaen-3-one