4-{[(dimethylamino)ethylidene]amino}-3-[N'-(2-propynyl)-2",2",2"-trifluoroacetamido]-1-(β-D-ribofuranosyl)-5'-O-(4,4'-dimethoxytriphenylmethyl)-1H-pyrazolo[3,4-d]pyrimidine 、
叔丁基二甲基氯硅烷 在
silver nitrate 、
N,N-二异丙基乙胺 作用下,
以
四氢呋喃 为溶剂,
反应 12.0h,
以36%的产率得到4-{[(dimethylamino)ethylidene]amino}-3-[N'-(2-propynyl)-2",2",2"-trifluoroacetamido]-1-(β-D-ribofuranosyl)-5'-O-(4,4'-dimethoxytriphenylmethyl)-2'-O-(tert-butyldimethylsilyl)-1H-pyrazolo[3,4-d]pyrimidine