(2S,8R,10R,12S)-5-(benzyloxymethyl)-11-(tert-butyldiphenylsilyloxy)-9,13-dioxa-1,5,7-triazatetracyclo[8.3.1.0(2,7).0(8,12)]tetradecane-4,6-dione 、
4-甲氧基氯苄 以
邻二甲苯 为溶剂,
反应 22.0h,
以50%的产率得到3-N-benzyloxymethyl-3'-O-tert-butyldiphenylsilyl-2'-O,5'-N-cyclo-5'-deoxy-5'-(4-methoxyphenyl)methylaminoarabinouridine