(4E,6R,8R,9R,10R,12E)-9-[tert-butyl(dimethyl)silyl]oxy-2-[[4-[tert-butyl(dimethyl)silyl]oxy-2-methoxyphenyl]methyl]-16-methoxy-17,19-bis(methoxymethoxy)-8-[6-(tritylamino)purin-9-yl]-7-oxa-2-azatricyclo[13.3.1.06,10]nonadeca-1(18),4,12,15(19),16-pentaen-3-one 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
反应 0.33h,
以99%的产率得到(4E,6R,8R,9R,10S,12E)-9-hydroxy-2-[(4-hydroxy-2-methoxyphenyl)methyl]-16-methoxy-17,19-bis(methoxymethoxy)-8-[6-(tritylamino)purin-9-yl]-7-oxa-2-azatricyclo[13.3.1.06,10]nonadeca-1(18),4,12,15(19),16-pentaen-3-one